155002542 has 16 divisors (see below), whose sum is σ = 320005632. Its totient is φ = 50000760.

The previous prime is 155002541. The next prime is 155002571. The reversal of 155002542 is 245200551.

It is a happy number.

155002542 is a modest number, since divided by 2542 gives 1550 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155002541) 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, 416488 + ... + 416859.

It is an arithmetic number, because the mean of its divisors is an integer number (20000352).

Almost surely, 2^155002542 is an apocalyptic number.

155002542 is an abundant number, since it is smaller than the sum of its proper divisors (165003090).

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

155002542 is a wasteful number, since it uses less digits than its factorization.

155002542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833383.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 155002542 is about 12450.0016867469. The cubic root of 155002542 is about 537.1714719998.

The spelling of 155002542 in words is "one hundred fifty-five million, two thousand, five hundred forty-two".