155275968 has 56 divisors (see below), whose sum is σ = 419599872. Its totient is φ = 50654464.

The previous prime is 155275871. The next prime is 155275987. The reversal of 155275968 is 869572551.

It is a happy number.

It is a super-2 number, since 2×155275968² = 48221252476674048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 17627.

Almost surely, 2^155275968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155275968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209799936).

155275968 is an abundant number, since it is smaller than the sum of its proper divisors (264323904).

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

155275968 is a wasteful number, since it uses less digits than its factorization.

155275968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17269 (or 17259 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 155275968 is about 12460.9778107498. The cubic root of 155275968 is about 537.4871450324.

The spelling of 155275968 in words is "one hundred fifty-five million, two hundred seventy-five thousand, nine hundred sixty-eight".