155506412 has 48 divisors (see below), whose sum is σ = 311603040. Its totient is φ = 67433472.

The previous prime is 155506391. The next prime is 155506433. The reversal of 155506412 is 214605551.

It is a happy number.

155506412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155506391) and next prime (155506433).

It is a super-2 number, since 2×155506412² = 48364488346227488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46178 + ... + 49430.

It is an arithmetic number, because the mean of its divisors is an integer number (6491730).

Almost surely, 2^155506412 is an apocalyptic number.

It is an amenable number.

155506412 is an abundant number, since it is smaller than the sum of its proper divisors (156096628).

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

155506412 is a wasteful number, since it uses less digits than its factorization.

155506412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 155506412 is about 12470.2210084665. The cubic root of 155506412 is about 537.7529072666.

The spelling of 155506412 in words is "one hundred fifty-five million, five hundred six thousand, four hundred twelve".