45244547 has 4 divisors (see below), whose sum is σ = 45285960. Its totient is φ = 45203136.

The previous prime is 45244543. The next prime is 45244559. The reversal of 45244547 is 74544254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74544254 = 2 ⋅37272127.

It is a cyclic number.

It is not a de Polignac number, because 45244547 - 2² = 45244543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45244543) 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, 19022 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (11321490).

Almost surely, 2^45244547 is an apocalyptic number.

45244547 is a deficient number, since it is larger than the sum of its proper divisors (41413).

45244547 is a wasteful number, since it uses less digits than its factorization.

45244547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41412.

The product of its digits is 89600, while the sum is 35.

The square root of 45244547 is about 6726.4066930271. The cubic root of 45244547 is about 356.3324835376.

The spelling of 45244547 in words is "forty-five million, two hundred forty-four thousand, five hundred forty-seven".