155071296 has 42 divisors (see below), whose sum is σ = 444485522. Its totient is φ = 51690240.

The previous prime is 155071271. The next prime is 155071309. The reversal of 155071296 is 692170551.

155071296 is a `hidden beast` number, since 1 + 550 + 7 + 12 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150405696 + 4665600 = 12264^2 + 2160^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155071296.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134035 + ... + 135186.

Almost surely, 2^155071296 is an apocalyptic number.

155071296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155071296 is an abundant number, since it is smaller than the sum of its proper divisors (289414226).

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

155071296 is a wasteful number, since it uses less digits than its factorization.

155071296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269239 (or 269226 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 155071296 is about 12452.7625850652. The cubic root of 155071296 is about 537.2508840910.

The spelling of 155071296 in words is "one hundred fifty-five million, seventy-one thousand, two hundred ninety-six".