45307487 has 2 divisors, whose sum is σ = 45307488. Its totient is φ = 45307486.

The previous prime is 45307481. The next prime is 45307511. The reversal of 45307487 is 78470354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45307487 - 2²² = 41113183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45307487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45307481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22653743 + 22653744.

It is an arithmetic number, because the mean of its divisors is an integer number (22653744).

Almost surely, 2^45307487 is an apocalyptic number.

45307487 is a deficient number, since it is larger than the sum of its proper divisors (1).

45307487 is an equidigital number, since it uses as much as digits as its factorization.

45307487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 45307487 is about 6731.0836423268. The cubic root of 45307487 is about 356.4976391664.

The spelling of 45307487 in words is "forty-five million, three hundred seven thousand, four hundred eighty-seven".