45245817 has 8 divisors (see below), whose sum is σ = 67030880. Its totient is φ = 30163860.

The previous prime is 45245813. The next prime is 45245831. The reversal of 45245817 is 71854254.

It is not a de Polignac number, because 45245817 - 2² = 45245813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45245813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837859 + ... + 837912.

It is an arithmetic number, because the mean of its divisors is an integer number (8378860).

Almost surely, 2^45245817 is an apocalyptic number.

It is an amenable number.

45245817 is a deficient number, since it is larger than the sum of its proper divisors (21785063).

45245817 is a wasteful number, since it uses less digits than its factorization.

45245817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675780 (or 1675774 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 45245817 is about 6726.5010964096. The cubic root of 45245817 is about 356.3358175528.

The spelling of 45245817 in words is "forty-five million, two hundred forty-five thousand, eight hundred seventeen".