155002942 has 4 divisors (see below), whose sum is σ = 232504416. Its totient is φ = 77501470.

The previous prime is 155002937. The next prime is 155002961. The reversal of 155002942 is 249200551.

155002942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 155002942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38750734 + ... + 38750737.

It is an arithmetic number, because the mean of its divisors is an integer number (58126104).

Almost surely, 2^155002942 is an apocalyptic number.

155002942 is a deficient number, since it is larger than the sum of its proper divisors (77501474).

155002942 is an equidigital number, since it uses as much as digits as its factorization.

155002942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77501473.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 155002942 is about 12450.0177509914. The cubic root of 155002942 is about 537.1719340748.

The spelling of 155002942 in words is "one hundred fifty-five million, two thousand, nine hundred forty-two".