45374231 has 4 divisors (see below), whose sum is σ = 51856272. Its totient is φ = 38892192.

The previous prime is 45374137. The next prime is 45374237. The reversal of 45374231 is 13247354.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45374231 is a prime.

It is a super-2 number, since 2×45374231² = 4117641677682722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45374194 and 45374203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45374237) 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, 3241010 + ... + 3241023.

It is an arithmetic number, because the mean of its divisors is an integer number (12964068).

Almost surely, 2^45374231 is an apocalyptic number.

45374231 is a deficient number, since it is larger than the sum of its proper divisors (6482041).

45374231 is an equidigital number, since it uses as much as digits as its factorization.

45374231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482040.

The product of its digits is 10080, while the sum is 29.

The square root of 45374231 is about 6736.0397118782. The cubic root of 45374231 is about 356.6726095418.

The spelling of 45374231 in words is "forty-five million, three hundred seventy-four thousand, two hundred thirty-one".