45524747 has 4 divisors (see below), whose sum is σ = 45662616. Its totient is φ = 45386880.

The previous prime is 45524737. The next prime is 45524749. The reversal of 45524747 is 74742554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74742554 = 2 ⋅37371277.

It is a cyclic number.

It is not a de Polignac number, because 45524747 - 2¹⁸ = 45262603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45524747.

It is not an unprimeable number, because it can be changed into a prime (45524749) 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, 68438 + ... + 69099.

It is an arithmetic number, because the mean of its divisors is an integer number (11415654).

Almost surely, 2^45524747 is an apocalyptic number.

45524747 is a deficient number, since it is larger than the sum of its proper divisors (137869).

45524747 is a wasteful number, since it uses less digits than its factorization.

45524747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137868.

The product of its digits is 156800, while the sum is 38.

The square root of 45524747 is about 6747.2029019439. The cubic root of 45524747 is about 357.0665606238.

It can be divided in two parts, 455 and 24747, that multiplied together give a triangular number (11259885 = T₄₇₄₅).

The spelling of 45524747 in words is "forty-five million, five hundred twenty-four thousand, seven hundred forty-seven".