45392247 has 12 divisors (see below), whose sum is σ = 65678704. Its totient is φ = 30209760.

The previous prime is 45392239. The next prime is 45392251. The reversal of 45392247 is 74229354.

It is not a de Polignac number, because 45392247 - 2³ = 45392239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45392147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683 + ... + 9675.

Almost surely, 2^45392247 is an apocalyptic number.

45392247 is a deficient number, since it is larger than the sum of its proper divisors (20286457).

45392247 is a wasteful number, since it uses less digits than its factorization.

45392247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8627 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 45392247 is about 6737.3768634388. The cubic root of 45392247 is about 356.7198093387.

It can be divided in two parts, 4539 and 2247, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 45392247 in words is "forty-five million, three hundred ninety-two thousand, two hundred forty-seven".