155945002 has 8 divisors (see below), whose sum is σ = 234366336. Its totient is φ = 77822892.

The previous prime is 155944993. The next prime is 155945033. The reversal of 155945002 is 200549551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73498 + ... + 75589.

It is an arithmetic number, because the mean of its divisors is an integer number (29295792).

Almost surely, 2^155945002 is an apocalyptic number.

155945002 is a deficient number, since it is larger than the sum of its proper divisors (78421334).

155945002 is a wasteful number, since it uses less digits than its factorization.

155945002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149612.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 155945002 is about 12487.7941206604. The cubic root of 155945002 is about 538.2579918226.

The spelling of 155945002 in words is "one hundred fifty-five million, nine hundred forty-five thousand, two".