45431683 has 4 divisors (see below), whose sum is σ = 49561848. Its totient is φ = 41301520.

The previous prime is 45431681. The next prime is 45431707. The reversal of 45431683 is 38613454.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45431683 - 2¹ = 45431681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45431681) 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, 2065066 + ... + 2065087.

It is an arithmetic number, because the mean of its divisors is an integer number (12390462).

Almost surely, 2^45431683 is an apocalyptic number.

45431683 is a deficient number, since it is larger than the sum of its proper divisors (4130165).

45431683 is a wasteful number, since it uses less digits than its factorization.

45431683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130164.

The product of its digits is 34560, while the sum is 34.

The square root of 45431683 is about 6740.3028863694. The cubic root of 45431683 is about 356.8230834394.

It can be divided in two parts, 4543 and 1683, that added together give a palindrome (6226).

The spelling of 45431683 in words is "forty-five million, four hundred thirty-one thousand, six hundred eighty-three".