45131007 has 4 divisors (see below), whose sum is σ = 60174680. Its totient is φ = 30087336.

The previous prime is 45131003. The next prime is 45131017. The reversal of 45131007 is 70013154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45131007 - 2² = 45131003 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 (45131003) 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, 7521832 + ... + 7521837.

It is an arithmetic number, because the mean of its divisors is an integer number (15043670).

Almost surely, 2^45131007 is an apocalyptic number.

45131007 is a deficient number, since it is larger than the sum of its proper divisors (15043673).

45131007 is a wasteful number, since it uses less digits than its factorization.

45131007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043672.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 45131007 is about 6717.9615211759. The cubic root of 45131007 is about 356.0341648607.

The spelling of 45131007 in words is "forty-five million, one hundred thirty-one thousand, seven".