45660039 has 4 divisors (see below), whose sum is σ = 60880056. Its totient is φ = 30440024.

The previous prime is 45660001. The next prime is 45660047. The reversal of 45660039 is 93006654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45660039 - 2¹¹ = 45657991 is a prime.

It is a super-2 number, since 2×45660039² = 4169678322963042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45659991 and 45660009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45660089) 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, 7610004 + ... + 7610009.

It is an arithmetic number, because the mean of its divisors is an integer number (15220014).

Almost surely, 2^45660039 is an apocalyptic number.

45660039 is a deficient number, since it is larger than the sum of its proper divisors (15220017).

45660039 is a wasteful number, since it uses less digits than its factorization.

45660039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220016.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 45660039 is about 6757.2212484127. The cubic root of 45660039 is about 357.4199250132.

The spelling of 45660039 in words is "forty-five million, six hundred sixty thousand, thirty-nine".