155146916 has 6 divisors (see below), whose sum is σ = 271507110. Its totient is φ = 77573456.

The previous prime is 155146861. The next prime is 155146933. The reversal of 155146916 is 619641551.

155146916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 30913600 = 11146^2 + 5560^2 .

It is a super-2 number, since 2×155146916² = 48141131088622112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155146916.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19393361 + ... + 19393368.

It is an arithmetic number, because the mean of its divisors is an integer number (45251185).

Almost surely, 2^155146916 is an apocalyptic number.

It is an amenable number.

155146916 is a deficient number, since it is larger than the sum of its proper divisors (116360194).

155146916 is a wasteful number, since it uses less digits than its factorization.

155146916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786733 (or 38786731 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 155146916 is about 12455.7984890572. The cubic root of 155146916 is about 537.3381994331.

The spelling of 155146916 in words is "one hundred fifty-five million, one hundred forty-six thousand, nine hundred sixteen".