45003931 has 8 divisors (see below), whose sum is σ = 51482880. Its totient is φ = 38537448.

The previous prime is 45003901. The next prime is 45003941. The reversal of 45003931 is 13930054.

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 45003931 - 2¹¹ = 45001883 is a prime.

It is a super-2 number, since 2×45003931² = 4050707610905522, 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 = 45003896 and 45003905.

It is not an unprimeable number, because it can be changed into a prime (45003901) 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, 6690 + ... + 11608.

It is an arithmetic number, because the mean of its divisors is an integer number (6435360).

Almost surely, 2^45003931 is an apocalyptic number.

45003931 is a deficient number, since it is larger than the sum of its proper divisors (6478949).

45003931 is a wasteful number, since it uses less digits than its factorization.

45003931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 45003931 is about 6708.4969255415. The cubic root of 45003931 is about 355.6996872938.

Adding to 45003931 its reverse (13930054), we get a palindrome (58933985).

The spelling of 45003931 in words is "forty-five million, three thousand, nine hundred thirty-one".