45431243 has 8 divisors (see below), whose sum is σ = 53373936. Its totient is φ = 38124000.

The previous prime is 45431203. The next prime is 45431257. The reversal of 45431243 is 34213454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45431243 - 2⁶ = 45431179 is a prime.

It is a super-3 number, since 3×45431243³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45431203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158708 + ... + 158993.

It is an arithmetic number, because the mean of its divisors is an integer number (6671742).

Almost surely, 2^45431243 is an apocalyptic number.

45431243 is a deficient number, since it is larger than the sum of its proper divisors (7942693).

45431243 is a wasteful number, since it uses less digits than its factorization.

45431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317725.

The product of its digits is 5760, while the sum is 26.

The square root of 45431243 is about 6740.2702468076. The cubic root of 45431243 is about 356.8219315071.

Adding to 45431243 its reverse (34213454), we get a palindrome (79644697).

The spelling of 45431243 in words is "forty-five million, four hundred thirty-one thousand, two hundred forty-three".