45973131 has 4 divisors (see below), whose sum is σ = 61297512. Its totient is φ = 30648752.

The previous prime is 45973121. The next prime is 45973133. The reversal of 45973131 is 13137954.

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 45973131 - 2¹⁰ = 45972107 is a prime.

It is a super-2 number, since 2×45973131² = 4227057547886322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45973092 and 45973101.

It is not an unprimeable number, because it can be changed into a prime (45973133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7662186 + ... + 7662191.

It is an arithmetic number, because the mean of its divisors is an integer number (15324378).

Almost surely, 2^45973131 is an apocalyptic number.

45973131 is a deficient number, since it is larger than the sum of its proper divisors (15324381).

45973131 is a wasteful number, since it uses less digits than its factorization.

45973131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324380.

The product of its digits is 11340, while the sum is 33.

The square root of 45973131 is about 6780.3488848289. The cubic root of 45973131 is about 358.2350105335.

The spelling of 45973131 in words is "forty-five million, nine hundred seventy-three thousand, one hundred thirty-one".