155868002 has 16 divisors (see below), whose sum is σ = 248510592. Its totient is φ = 73066560.

The previous prime is 155867981. The next prime is 155868023. The reversal of 155868002 is 200868551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155867981) and next prime (155868023).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (15531912).

Almost surely, 2^155868002 is an apocalyptic number.

155868002 is a deficient number, since it is larger than the sum of its proper divisors (92642590).

155868002 is a wasteful number, since it uses less digits than its factorization.

155868002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 155868002 is about 12484.7107295283. The cubic root of 155868002 is about 538.1693864635.

The spelling of 155868002 in words is "one hundred fifty-five million, eight hundred sixty-eight thousand, two".