45242507 has 2 divisors, whose sum is σ = 45242508. Its totient is φ = 45242506.

The previous prime is 45242503. The next prime is 45242531. The reversal of 45242507 is 70524254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45242507 - 2² = 45242503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45242507.

It is not a weakly prime, because it can be changed into another prime (45242503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22621253 + 22621254.

It is an arithmetic number, because the mean of its divisors is an integer number (22621254).

Almost surely, 2^45242507 is an apocalyptic number.

45242507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45242507 is an equidigital number, since it uses as much as digits as its factorization.

45242507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45242507 is about 6726.2550501747. The cubic root of 45242507 is about 356.3271279810.

The spelling of 45242507 in words is "forty-five million, two hundred forty-two thousand, five hundred seven".