45749387 has 2 divisors, whose sum is σ = 45749388. Its totient is φ = 45749386.

The previous prime is 45749311. The next prime is 45749401. The reversal of 45749387 is 78394754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45749387 - 2¹⁰ = 45748363 is a prime.

It is not a weakly prime, because it can be changed into another prime (45749687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22874693 + 22874694.

It is an arithmetic number, because the mean of its divisors is an integer number (22874694).

Almost surely, 2^45749387 is an apocalyptic number.

45749387 is a deficient number, since it is larger than the sum of its proper divisors (1).

45749387 is an equidigital number, since it uses as much as digits as its factorization.

45749387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 45749387 is about 6763.8293148186. The cubic root of 45749387 is about 357.6529073517.

The spelling of 45749387 in words is "forty-five million, seven hundred forty-nine thousand, three hundred eighty-seven".