45003890 has 16 divisors (see below), whose sum is σ = 82536408. Its totient is φ = 17661696.

The previous prime is 45003887. The next prime is 45003901. The reversal of 45003890 is 9830054.

It can be written as a sum of positive squares in 4 ways, for example, as 34304449 + 10699441 = 5857^2 + 3271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41927 + ... + 42986.

Almost surely, 2^45003890 is an apocalyptic number.

45003890 is a deficient number, since it is larger than the sum of its proper divisors (37532518).

45003890 is a wasteful number, since it uses less digits than its factorization.

45003890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84973.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45003890 is about 6708.4938697147. The cubic root of 45003890 is about 355.6995792759.

The spelling of 45003890 in words is "forty-five million, three thousand, eight hundred ninety".