155435162136 has 64 divisors (see below), whose sum is σ = 399196992000. Its totient is φ = 50397925248.

The previous prime is 155435162053. The next prime is 155435162143. The reversal of 155435162136 is 631261534551.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3618561 + ... + 3661263.

It is an arithmetic number, because the mean of its divisors is an integer number (6237453000).

Almost surely, 2^155435162136 is an apocalyptic number.

It is an amenable number.

155435162136 is an abundant number, since it is smaller than the sum of its proper divisors (243761829864).

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

155435162136 is a wasteful number, since it uses less digits than its factorization.

155435162136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46848 (or 46844 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

Adding to 155435162136 its reverse (631261534551), we get a palindrome (786696696687).

The spelling of 155435162136 in words is "one hundred fifty-five billion, four hundred thirty-five million, one hundred sixty-two thousand, one hundred thirty-six".