Search a number
-
+
145870041 = 3127382861
BaseRepresentation
bin10001011000111…
…00110011011001
3101011110222002010
420230130303121
5244320320131
622250300133
73420606042
oct1054346331
9334428063
10145870041
1175381359
1240a27649
13242b4145
14155318c9
15cc15b46
hex8b1ccd9

145870041 has 8 divisors (see below), whose sum is σ = 196025344. Its totient is φ = 96480720.

The previous prime is 145870037. The next prime is 145870063. The reversal of 145870041 is 140078541.

145870041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145870041 - 22 = 145870037 is a prime.

It is a super-2 number, since 2×1458700412 = 42556137722683362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145869990 and 145870008.

It is not an unprimeable number, because it can be changed into a prime (145870031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191050 + ... + 191811.

It is an arithmetic number, because the mean of its divisors is an integer number (24503168).

Almost surely, 2145870041 is an apocalyptic number.

It is an amenable number.

145870041 is a deficient number, since it is larger than the sum of its proper divisors (50155303).

145870041 is a wasteful number, since it uses less digits than its factorization.

145870041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382991.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 145870041 is about 12077.6670346553. The cubic root of 145870041 is about 526.4074596850.

The spelling of 145870041 in words is "one hundred forty-five million, eight hundred seventy thousand, forty-one".

Divisors: 1 3 127 381 382861 1148583 48623347 145870041