45990005 has 16 divisors (see below), whose sum is σ = 56717760. Its totient is φ = 35779968.

The previous prime is 45989989. The next prime is 45990023. The reversal of 45990005 is 50009954.

It is a cyclic number.

It is not a de Polignac number, because 45990005 - 2⁴ = 45989989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87674 + ... + 88196.

It is an arithmetic number, because the mean of its divisors is an integer number (3544860).

Almost surely, 2^45990005 is an apocalyptic number.

It is an amenable number.

45990005 is a deficient number, since it is larger than the sum of its proper divisors (10727755).

45990005 is a wasteful number, since it uses less digits than its factorization.

45990005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 45990005 is about 6781.5931019193. The cubic root of 45990005 is about 358.2788340888.

Adding to 45990005 its reverse (50009954), we get a palindrome (95999959).

The spelling of 45990005 in words is "forty-five million, nine hundred ninety thousand, five".