45899901 has 6 divisors (see below), whose sum is σ = 66299870. Its totient is φ = 30599928.

The previous prime is 45899879. The next prime is 45899939. The reversal of 45899901 is 10999854.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 1664100 = 6651^2 + 1290^2 .

It is not a de Polignac number, because 45899901 - 2¹⁰ = 45898877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45899981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2549986 + ... + 2550003.

Almost surely, 2^45899901 is an apocalyptic number.

It is an amenable number.

45899901 is a deficient number, since it is larger than the sum of its proper divisors (20399969).

45899901 is a wasteful number, since it uses less digits than its factorization.

45899901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099995 (or 5099992 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 45899901 is about 6774.9465680550. The cubic root of 45899901 is about 358.0447001601.

The spelling of 45899901 in words is "forty-five million, eight hundred ninety-nine thousand, nine hundred one".