45751919 has 2 divisors, whose sum is σ = 45751920. Its totient is φ = 45751918.

The previous prime is 45751907. The next prime is 45751961. The reversal of 45751919 is 91915754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45751919 - 2¹⁶ = 45686383 is a prime.

It is a super-2 number, since 2×45751919² = 4186476184365122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45751969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22875959 + 22875960.

It is an arithmetic number, because the mean of its divisors is an integer number (22875960).

Almost surely, 2^45751919 is an apocalyptic number.

45751919 is a deficient number, since it is larger than the sum of its proper divisors (1).

45751919 is an equidigital number, since it uses as much as digits as its factorization.

45751919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 41.

The square root of 45751919 is about 6764.0164843087. The cubic root of 45751919 is about 357.6595053305.

The spelling of 45751919 in words is "forty-five million, seven hundred fifty-one thousand, nine hundred nineteen".