155074235242 has 16 divisors (see below), whose sum is σ = 243189028800. Its totient is φ = 74024118432.

The previous prime is 155074235227. The next prime is 155074235249. The reversal of 155074235242 is 242532470551.

It is a junction number, because it is equal to n+sod(n) for n = 155074235195 and 155074235204.

It is not an unprimeable number, because it can be changed into a prime (155074235249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198867 + ... + 3246982.

It is an arithmetic number, because the mean of its divisors is an integer number (15199314300).

Almost surely, 2^155074235242 is an apocalyptic number.

155074235242 is a deficient number, since it is larger than the sum of its proper divisors (88114793558).

155074235242 is a wasteful number, since it uses less digits than its factorization.

155074235242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446397.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 155074235242 in words is "one hundred fifty-five billion, seventy-four million, two hundred thirty-five thousand, two hundred forty-two".