45513723 has 8 divisors (see below), whose sum is σ = 61148736. Its totient is φ = 30110600.

The previous prime is 45513707. The next prime is 45513733. The reversal of 45513723 is 32731554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45513723 - 2⁴ = 45513707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45513733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57513 + ... + 58298.

It is an arithmetic number, because the mean of its divisors is an integer number (7643592).

Almost surely, 2^45513723 is an apocalyptic number.

45513723 is a deficient number, since it is larger than the sum of its proper divisors (15635013).

45513723 is a wasteful number, since it uses less digits than its factorization.

45513723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115945.

The product of its digits is 12600, while the sum is 30.

The square root of 45513723 is about 6746.3859213656. The cubic root of 45513723 is about 357.0377365974.

The spelling of 45513723 in words is "forty-five million, five hundred thirteen thousand, seven hundred twenty-three".