45235987 has 2 divisors, whose sum is σ = 45235988. Its totient is φ = 45235986.

The previous prime is 45235909. The next prime is 45236033. The reversal of 45235987 is 78953254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45235987 - 2⁷ = 45235859 is a prime.

It is not a weakly prime, because it can be changed into another prime (45235907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22617993 + 22617994.

It is an arithmetic number, because the mean of its divisors is an integer number (22617994).

Almost surely, 2^45235987 is an apocalyptic number.

45235987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45235987 is an equidigital number, since it uses as much as digits as its factorization.

45235987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 45235987 is about 6725.7703647984. The cubic root of 45235987 is about 356.3100101226.

The spelling of 45235987 in words is "forty-five million, two hundred thirty-five thousand, nine hundred eighty-seven".