155136546 has 24 divisors (see below), whose sum is σ = 348579504. Its totient is φ = 51712020.

The previous prime is 155136533. The next prime is 155136551. The reversal of 155136546 is 645631551.

155136546 is a `hidden beast` number, since 1 + 551 + 3 + 65 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 155136546.

It is an unprimeable number.

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, 159120 + ... + 160091.

It is an arithmetic number, because the mean of its divisors is an integer number (14524146).

Almost surely, 2^155136546 is an apocalyptic number.

155136546 is an abundant number, since it is smaller than the sum of its proper divisors (193442958).

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

155136546 is an equidigital number, since it uses as much as digits as its factorization.

155136546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319228 (or 319216 counting only the distinct ones).

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

The square root of 155136546 is about 12455.3822101130. The cubic root of 155136546 is about 537.3262272942.

The spelling of 155136546 in words is "one hundred fifty-five million, one hundred thirty-six thousand, five hundred forty-six".