155235542 has 32 divisors (see below), whose sum is σ = 291043584. Its totient is φ = 60328800.

The previous prime is 155235527. The next prime is 155235581. The reversal of 155235542 is 245532551.

It is a junction number, because it is equal to n+sod(n) for n = 155235499 and 155235508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74588 + ... + 76640.

It is an arithmetic number, because the mean of its divisors is an integer number (9095112).

Almost surely, 2^155235542 is an apocalyptic number.

155235542 is a deficient number, since it is larger than the sum of its proper divisors (135808042).

155235542 is a wasteful number, since it uses less digits than its factorization.

155235542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its digits is 30000, while the sum is 32.

The square root of 155235542 is about 12459.3556013142. The cubic root of 155235542 is about 537.4404961711.

The spelling of 155235542 in words is "one hundred fifty-five million, two hundred thirty-five thousand, five hundred forty-two".