155142445562 has 32 divisors (see below), whose sum is σ = 255598655760. Its totient is φ = 70182927360.

The previous prime is 155142445561. The next prime is 155142445571. The reversal of 155142445562 is 265544241551.

It can be written as a sum of positive squares in 8 ways, for example, as 107452184401 + 47690261161 = 327799^2 + 218381^2 .

It is not an unprimeable number, because it can be changed into a prime (155142445561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334612 + ... + 1446192.

Almost surely, 2^155142445562 is an apocalyptic number.

155142445562 is a deficient number, since it is larger than the sum of its proper divisors (100456210198).

155142445562 is a wasteful number, since it uses less digits than its factorization.

155142445562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112658.

The product of its digits is 960000, while the sum is 44.

The spelling of 155142445562 in words is "one hundred fifty-five billion, one hundred forty-two million, four hundred forty-five thousand, five hundred sixty-two".