Search a number
-
+
145154031075 = 3452137523219
BaseRepresentation
bin1000011100101111011…
…0101011110111100011
3111212200000220210020000
42013023312223313203
54334233412443300
6150403254351043
713326023622654
oct2071366536743
9455600823200
10145154031075
1156617736a59
122416b95b483
13108c3601521
14704dd4752b
153b98451c00
hex21cbdabde3

145154031075 has 60 divisors (see below), whose sum is σ = 270838554360. Its totient is φ = 76850259840.

The previous prime is 145154031073. The next prime is 145154031097. The reversal of 145154031075 is 570130451541.

145154031075 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 540 + 3 + 107 + 5 = 666.

It is not a de Polignac number, because 145154031075 - 21 = 145154031073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145154031073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 15816 + ... + 539034.

It is an arithmetic number, because the mean of its divisors is an integer number (4513975906).

Almost surely, 2145154031075 is an apocalyptic number.

145154031075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145154031075 is a deficient number, since it is larger than the sum of its proper divisors (125684523285).

145154031075 is a wasteful number, since it uses less digits than its factorization.

145154031075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523378 (or 523364 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

It can be divided in two parts, 14515 and 4031075, that added together give a triangular number (4045590 = T2844).

The spelling of 145154031075 in words is "one hundred forty-five billion, one hundred fifty-four million, thirty-one thousand, seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 137 225 405 411 675 685 1233 2025 2055 3425 3699 6165 10275 11097 18495 30825 55485 92475 277425 523219 1569657 2616095 4708971 7848285 13080475 14126913 23544855 39241425 42380739 70634565 71681003 117724275 211903695 215043009 353172825 358405015 645129027 1059518475 1075215045 1792025075 1935387081 3225645135 5376075225 5806161243 9676935405 16128225675 29030806215 48384677025 145154031075