45945787 has 2 divisors, whose sum is σ = 45945788. Its totient is φ = 45945786.

The previous prime is 45945763. The next prime is 45945793. The reversal of 45945787 is 78754954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45945787 - 2⁷ = 45945659 is a prime.

It is a super-2 number, since 2×45945787² = 4222030686098738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45945787.

It is not a weakly prime, because it can be changed into another prime (45945797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22972893 + 22972894.

It is an arithmetic number, because the mean of its divisors is an integer number (22972894).

Almost surely, 2^45945787 is an apocalyptic number.

45945787 is a deficient number, since it is larger than the sum of its proper divisors (1).

45945787 is an equidigital number, since it uses as much as digits as its factorization.

45945787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The square root of 45945787 is about 6778.3321694942. The cubic root of 45945787 is about 358.1639725117.

The spelling of 45945787 in words is "forty-five million, nine hundred forty-five thousand, seven hundred eighty-seven".