45604987 has 2 divisors, whose sum is σ = 45604988. Its totient is φ = 45604986.

The previous prime is 45604967. The next prime is 45605011. The reversal of 45604987 is 78940654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45604987 - 2¹⁹ = 45080699 is a prime.

It is not a weakly prime, because it can be changed into another prime (45604967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22802493 + 22802494.

It is an arithmetic number, because the mean of its divisors is an integer number (22802494).

Almost surely, 2^45604987 is an apocalyptic number.

45604987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45604987 is an equidigital number, since it uses as much as digits as its factorization.

45604987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 45604987 is about 6753.1464518401. The cubic root of 45604987 is about 357.2762209818.

The spelling of 45604987 in words is "forty-five million, six hundred four thousand, nine hundred eighty-seven".