45243753 has 4 divisors (see below), whose sum is σ = 60325008. Its totient is φ = 30162500.

The previous prime is 45243743. The next prime is 45243763. The reversal of 45243753 is 35734254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45243743) and next prime (45243763).

It is a cyclic number.

It is not a de Polignac number, because 45243753 - 2⁶ = 45243689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45243713) 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, 7540623 + ... + 7540628.

It is an arithmetic number, because the mean of its divisors is an integer number (15081252).

Almost surely, 2^45243753 is an apocalyptic number.

It is an amenable number.

45243753 is a deficient number, since it is larger than the sum of its proper divisors (15081255).

45243753 is a wasteful number, since it uses less digits than its factorization.

45243753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15081254.

The product of its digits is 50400, while the sum is 33.

The square root of 45243753 is about 6726.3476716566. The cubic root of 45243753 is about 356.3303990901.

The spelling of 45243753 in words is "forty-five million, two hundred forty-three thousand, seven hundred fifty-three".