155331054 has 32 divisors (see below), whose sum is σ = 345588480. Its totient is φ = 51715800.

The previous prime is 155331053. The next prime is 155331067. The reversal of 155331054 is 450133551.

155331054 is a `hidden beast` number, since 1 + 553 + 3 + 105 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155331053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83919 + ... + 85749.

It is an arithmetic number, because the mean of its divisors is an integer number (10799640).

Almost surely, 2^155331054 is an apocalyptic number.

155331054 is an abundant number, since it is smaller than the sum of its proper divisors (190257426).

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

155331054 is a wasteful number, since it uses less digits than its factorization.

155331054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 155331054 is about 12463.1879549335. The cubic root of 155331054 is about 537.5506975075.

The spelling of 155331054 in words is "one hundred fifty-five million, three hundred thirty-one thousand, fifty-four".