Search a number
-
+
145534352551 = 7191334332561
BaseRepresentation
bin1000011110001010000…
…1011111110010100111
3111220122112120010012121
42013202201133302213
54341023243240201
6150505122130411
713341322404640
oct2074241376247
9456575503177
10145534352551
11567a2391125
12242571b0a07
1310954342b13
1470886686c7
153bbba299a1
hex21e285fca7

145534352551 has 16 divisors (see below), whose sum is σ = 167250935808. Its totient is φ = 124049692800.

The previous prime is 145534352543. The next prime is 145534352569. The reversal of 145534352551 is 155253435541.

It is a cyclic number.

It is not a de Polignac number, because 145534352551 - 23 = 145534352543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145534352498 and 145534352507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145534352531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4453311 + ... + 4485871.

It is an arithmetic number, because the mean of its divisors is an integer number (10453183488).

Almost surely, 2145534352551 is an apocalyptic number.

145534352551 is a deficient number, since it is larger than the sum of its proper divisors (21716583257).

145534352551 is a wasteful number, since it uses less digits than its factorization.

145534352551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36102.

The product of its digits is 900000, while the sum is 43.

The spelling of 145534352551 in words is "one hundred forty-five billion, five hundred thirty-four million, three hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 7 191 1337 3343 23401 32561 227927 638513 4469591 6219151 43534057 108851423 761959961 20790621793 145534352551