155911248 has 30 divisors (see below), whose sum is σ = 436335354. Its totient is φ = 51970368.

The previous prime is 155911241. The next prime is 155911271. The reversal of 155911248 is 842119551.

155911248 is a `hidden beast` number, since 15 + 591 + 12 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135769104 + 20142144 = 11652^2 + 4488^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155911241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 541215 + ... + 541502.

Almost surely, 2^155911248 is an apocalyptic number.

155911248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155911248 is an abundant number, since it is smaller than the sum of its proper divisors (280424106).

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

155911248 is a wasteful number, since it uses less digits than its factorization.

155911248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082731 (or 1082722 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 155911248 is about 12486.4425678413. The cubic root of 155911248 is about 538.2191540465.

The spelling of 155911248 in words is "one hundred fifty-five million, nine hundred eleven thousand, two hundred forty-eight".