45281747 has 16 divisors (see below), whose sum is σ = 53406720. Its totient is φ = 37581408.

The previous prime is 45281737. The next prime is 45281759. The reversal of 45281747 is 74718254.

It is a cyclic number.

It is not a de Polignac number, because 45281747 - 2⁶ = 45281683 is a prime.

It is a super-2 number, since 2×45281747² = 4100873222744018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45281747.

It is not an unprimeable number, because it can be changed into a prime (45281737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92738 + ... + 93224.

It is an arithmetic number, because the mean of its divisors is an integer number (3337920).

Almost surely, 2^45281747 is an apocalyptic number.

45281747 is a deficient number, since it is larger than the sum of its proper divisors (8124973).

45281747 is a wasteful number, since it uses less digits than its factorization.

45281747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 62720, while the sum is 38.

The square root of 45281747 is about 6729.1713457156. The cubic root of 45281747 is about 356.4301154662.

The spelling of 45281747 in words is "forty-five million, two hundred eighty-one thousand, seven hundred forty-seven".