45624749 has 2 divisors, whose sum is σ = 45624750. Its totient is φ = 45624748.

The previous prime is 45624739. The next prime is 45624793. The reversal of 45624749 is 94742654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 15264649 = 5510^2 + 3907^2 .

It is a cyclic number.

It is not a de Polignac number, because 45624749 - 2⁸ = 45624493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45624739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22812374 + 22812375.

It is an arithmetic number, because the mean of its divisors is an integer number (22812375).

Almost surely, 2^45624749 is an apocalyptic number.

It is an amenable number.

45624749 is a deficient number, since it is larger than the sum of its proper divisors (1).

45624749 is an equidigital number, since it uses as much as digits as its factorization.

45624749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 45624749 is about 6754.6094631740. The cubic root of 45624749 is about 357.3278196742.

The spelling of 45624749 in words is "forty-five million, six hundred twenty-four thousand, seven hundred forty-nine".