155137010442 has 16 divisors (see below), whose sum is σ = 310279740480. Its totient is φ = 51711383552.

The previous prime is 155137010437. The next prime is 155137010461. The reversal of 155137010442 is 244010731551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167434 + ... + 581642.

It is an arithmetic number, because the mean of its divisors is an integer number (19392483780).

Almost surely, 2^155137010442 is an apocalyptic number.

155137010442 is an abundant number, since it is smaller than the sum of its proper divisors (155142730038).

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

155137010442 is a wasteful number, since it uses less digits than its factorization.

155137010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476637.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 155137010442 its reverse (244010731551), we get a palindrome (399147741993).

The spelling of 155137010442 in words is "one hundred fifty-five billion, one hundred thirty-seven million, ten thousand, four hundred forty-two".