45902890 has 32 divisors (see below), whose sum is σ = 95442624. Its totient is φ = 15709440.

The previous prime is 45902881. The next prime is 45902891. The reversal of 45902890 is 9820954.

45902890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45902891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10404 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (2982582).

Almost surely, 2^45902890 is an apocalyptic number.

45902890 is an abundant number, since it is smaller than the sum of its proper divisors (49539734).

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

45902890 is a wasteful number, since it uses less digits than its factorization.

45902890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24582.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 45902890 is about 6775.1671566095. The cubic root of 45902890 is about 358.0524719443.

The spelling of 45902890 in words is "forty-five million, nine hundred two thousand, eight hundred ninety".