45112307 has 4 divisors (see below), whose sum is σ = 45411216. Its totient is φ = 44813400.

The previous prime is 45112303. The next prime is 45112337. The reversal of 45112307 is 70321154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70321154 = 2 ⋅35160577.

It is a cyclic number.

It is not a de Polignac number, because 45112307 - 2² = 45112303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45112303) 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, 149228 + ... + 149529.

It is an arithmetic number, because the mean of its divisors is an integer number (11352804).

Almost surely, 2^45112307 is an apocalyptic number.

45112307 is a deficient number, since it is larger than the sum of its proper divisors (298909).

45112307 is a wasteful number, since it uses less digits than its factorization.

45112307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298908.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 45112307 is about 6716.5695857335. The cubic root of 45112307 is about 355.9849839014.

The spelling of 45112307 in words is "forty-five million, one hundred twelve thousand, three hundred seven".