45902 has 8 divisors (see below), whose sum is σ = 70200. Its totient is φ = 22504.

The previous prime is 45893. The next prime is 45943. The reversal of 45902 is 20954.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77 + ... + 312.

It is an arithmetic number, because the mean of its divisors is an integer number (8775).

2⁴⁵⁹⁰² is an apocalyptic number.

45902 is a deficient number, since it is larger than the sum of its proper divisors (24298).

45902 is a wasteful number, since it uses less digits than its factorization.

45902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 45902 is about 214.2475204057. The cubic root of 45902 is about 35.8050157865.

It can be divided in two parts, 4590 and 2, that multiplied together give a triangular number (9180 = T₁₃₅).

The spelling of 45902 in words is "forty-five thousand, nine hundred two".