155758460 has 72 divisors (see below), whose sum is σ = 387266208. Its totient is φ = 52272000.

The previous prime is 155758453. The next prime is 155758481. The reversal of 155758460 is 64857551.

155758460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28985 + ... + 33935.

Almost surely, 2^155758460 is an apocalyptic number.

155758460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155758460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193633104).

155758460 is an abundant number, since it is smaller than the sum of its proper divisors (231507748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155758460 is a wasteful number, since it uses less digits than its factorization.

155758460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 155758460 is about 12480.3229124891. The cubic root of 155758460 is about 538.0432841080.

Subtracting from 155758460 its reverse (64857551), we obtain a palindrome (90900909).

The spelling of 155758460 in words is "one hundred fifty-five million, seven hundred fifty-eight thousand, four hundred sixty".