45013247 has 4 divisors (see below), whose sum is σ = 45035496. Its totient is φ = 44991000.

The previous prime is 45013183. The next prime is 45013253. The reversal of 45013247 is 74231054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74231054 = 2 ⋅37115527.

It is a cyclic number.

It is not a de Polignac number, because 45013247 - 2⁶ = 45013183 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 (45013847) 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, 7748 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (11258874).

Almost surely, 2^45013247 is an apocalyptic number.

45013247 is a deficient number, since it is larger than the sum of its proper divisors (22249).

45013247 is a wasteful number, since it uses less digits than its factorization.

45013247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22248.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45013247 is about 6709.1912329282. The cubic root of 45013247 is about 355.7242293696.

The spelling of 45013247 in words is "forty-five million, thirteen thousand, two hundred forty-seven".