45399753 has 24 divisors (see below), whose sum is σ = 75531456. Its totient is φ = 25740000.

The previous prime is 45399749. The next prime is 45399793. The reversal of 45399753 is 35799354.

It is not a de Polignac number, because 45399753 - 2² = 45399749 is a prime.

It is a super-2 number, since 2×45399753² = 4122275144922018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45399699 and 45399708.

It is not an unprimeable number, because it can be changed into a prime (45399713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5503 + ... + 11003.

It is an arithmetic number, because the mean of its divisors is an integer number (3147144).

Almost surely, 2^45399753 is an apocalyptic number.

It is an amenable number.

45399753 is a deficient number, since it is larger than the sum of its proper divisors (30131703).

45399753 is a wasteful number, since it uses less digits than its factorization.

45399753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645 (or 5642 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The square root of 45399753 is about 6737.9338821333. The cubic root of 45399753 is about 356.7394704886.

The spelling of 45399753 in words is "forty-five million, three hundred ninety-nine thousand, seven hundred fifty-three".