155160442 has 32 divisors (see below), whose sum is σ = 244995840. Its totient is φ = 73636800.

The previous prime is 155160433. The next prime is 155160443. The reversal of 155160442 is 244061551.

155160442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155160442.

It is not an unprimeable number, because it can be changed into a prime (155160443) 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, 560008 + ... + 560284.

It is an arithmetic number, because the mean of its divisors is an integer number (7656120).

Almost surely, 2^155160442 is an apocalyptic number.

155160442 is a deficient number, since it is larger than the sum of its proper divisors (89835398).

155160442 is a wasteful number, since it uses less digits than its factorization.

155160442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 155160442 is about 12456.3414371958. The cubic root of 155160442 is about 537.3538143644.

The spelling of 155160442 in words is "one hundred fifty-five million, one hundred sixty thousand, four hundred forty-two".