155427792 has 80 divisors (see below), whose sum is σ = 437763648. Its totient is φ = 47232000.

The previous prime is 155427781. The next prime is 155427799. The reversal of 155427792 is 297724551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155427799) 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, 50292 + ... + 53292.

Almost surely, 2^155427792 is an apocalyptic number.

155427792 is a gapful number since it is divisible by the number (12) 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 155427792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218881824).

155427792 is an abundant number, since it is smaller than the sum of its proper divisors (282335856).

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

155427792 is a wasteful number, since it uses less digits than its factorization.

155427792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3102 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 155427792 is about 12467.0683001257. The cubic root of 155427792 is about 537.6622673589.

The spelling of 155427792 in words is "one hundred fifty-five million, four hundred twenty-seven thousand, seven hundred ninety-two".