155227052544 has 40 divisors (see below), whose sum is σ = 413534573760. Its totient is φ = 51742350336.

The previous prime is 155227052501. The next prime is 155227052567. The reversal of 155227052544 is 445250722551.

It is a junction number, because it is equal to n+sod(n) for n = 155227052496 and 155227052505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50528104 + ... + 50531175.

It is an arithmetic number, because the mean of its divisors is an integer number (10338364344).

Almost surely, 2^155227052544 is an apocalyptic number.

It is an amenable number.

155227052544 is an abundant number, since it is smaller than the sum of its proper divisors (258307521216).

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

155227052544 is an equidigital number, since it uses as much as digits as its factorization.

155227052544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101059300 (or 101059284 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 42.

The spelling of 155227052544 in words is "one hundred fifty-five billion, two hundred twenty-seven million, fifty-two thousand, five hundred forty-four".