45445902 has 8 divisors (see below), whose sum is σ = 90891816. Its totient is φ = 15148632.

The previous prime is 45445901. The next prime is 45445919. The reversal of 45445902 is 20954454.

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

45445902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787153 + ... + 3787164.

It is an arithmetic number, because the mean of its divisors is an integer number (11361477).

Almost surely, 2^45445902 is an apocalyptic number.

45445902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45445902 is a wasteful number, since it uses less digits than its factorization.

45445902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574322.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 45445902 is about 6741.3575784110. The cubic root of 45445902 is about 356.8603051745.

The spelling of 45445902 in words is "forty-five million, four hundred forty-five thousand, nine hundred two".