45242747 has 12 divisors (see below), whose sum is σ = 50369760. Its totient is φ = 40600560.

The previous prime is 45242737. The next prime is 45242767. The reversal of 45242747 is 74724254.

It is not a de Polignac number, because 45242747 - 2⁴ = 45242731 is a prime.

It is a super-2 number, since 2×45242747² = 4093812312212018, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242707) 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, 7193 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (4197480).

Almost surely, 2^45242747 is an apocalyptic number.

45242747 is a deficient number, since it is larger than the sum of its proper divisors (5127013).

45242747 is a wasteful number, since it uses less digits than its factorization.

45242747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4823 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 45242747 is about 6726.2728906877. The cubic root of 45242747 is about 356.3277580549.

The spelling of 45242747 in words is "forty-five million, two hundred forty-two thousand, seven hundred forty-seven".