155356146 has 24 divisors (see below), whose sum is σ = 367205904. Its totient is φ = 47077560.

The previous prime is 155356139. The next prime is 155356147. The reversal of 155356146 is 641653551.

155356146 is a `hidden beast` number, since 1 + 5 + 5 + 35 + 614 + 6 = 666.

155356146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155356146.

It is not an unprimeable number, because it can be changed into a prime (155356147) 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 11 ways as a sum of consecutive naturals, for example, 392116 + ... + 392511.

It is an arithmetic number, because the mean of its divisors is an integer number (15300246).

Almost surely, 2^155356146 is an apocalyptic number.

155356146 is an abundant number, since it is smaller than the sum of its proper divisors (211849758).

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

155356146 is a wasteful number, since it uses less digits than its factorization.

155356146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784646 (or 784643 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 155356146 is about 12464.1945588153. The cubic root of 155356146 is about 537.5796410564.

The spelling of 155356146 in words is "one hundred fifty-five million, three hundred fifty-six thousand, one hundred forty-six".