45983690 has 16 divisors (see below), whose sum is σ = 82990440. Its totient is φ = 18344640.

The previous prime is 45983689. The next prime is 45983699. The reversal of 45983690 is 9638954.

It can be written as a sum of positive squares in 4 ways, for example, as 22061809 + 23921881 = 4697^2 + 4891^2 .

It is a super-2 number, since 2×45983690² = 4228999492032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45983699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 9800.

Almost surely, 2^45983690 is an apocalyptic number.

45983690 is a deficient number, since it is larger than the sum of its proper divisors (37006750).

45983690 is a wasteful number, since it uses less digits than its factorization.

45983690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 45983690 is about 6781.1274873726. The cubic root of 45983690 is about 358.2624346241.

The spelling of 45983690 in words is "forty-five million, nine hundred eighty-three thousand, six hundred ninety".