155136763452 has 36 divisors (see below), whose sum is σ = 397885201448. Its totient is φ = 47011140000.

The previous prime is 155136763451. The next prime is 155136763477. The reversal of 155136763452 is 254367631551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155136763451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53420299 + ... + 53423202.

Almost surely, 2^155136763452 is an apocalyptic number.

155136763452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155136763452 is an abundant number, since it is smaller than the sum of its proper divisors (242748437996).

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

155136763452 is a wasteful number, since it uses less digits than its factorization.

155136763452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106843530 (or 106843517 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 155136763452 in words is "one hundred fifty-five billion, one hundred thirty-six million, seven hundred sixty-three thousand, four hundred fifty-two".