45607281 has 4 divisors (see below), whose sum is σ = 60809712. Its totient is φ = 30404852.

The previous prime is 45607279. The next prime is 45607283. The reversal of 45607281 is 18270654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45607279) and next prime (45607283).

It is a cyclic number.

It is not a de Polignac number, because 45607281 - 2¹ = 45607279 is a prime.

It is a super-2 number, since 2×45607281² = 4160048160425922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45607283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7601211 + ... + 7601216.

It is an arithmetic number, because the mean of its divisors is an integer number (15202428).

Almost surely, 2^45607281 is an apocalyptic number.

It is an amenable number.

45607281 is a deficient number, since it is larger than the sum of its proper divisors (15202431).

45607281 is a wasteful number, since it uses less digits than its factorization.

45607281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202430.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 45607281 is about 6753.3162964576. The cubic root of 45607281 is about 357.2822113933.

The spelling of 45607281 in words is "forty-five million, six hundred seven thousand, two hundred eighty-one".