45973949 has 16 divisors (see below), whose sum is σ = 54214272. Its totient is φ = 38171328.

The previous prime is 45973919. The next prime is 45973969. The reversal of 45973949 is 94937954.

It is a cyclic number.

It is not a de Polignac number, because 45973949 - 2¹⁶ = 45908413 is a prime.

It is a super-2 number, since 2×45973949² = 4227207973309202, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45973897 and 45973906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45973909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30047 + ... + 31539.

It is an arithmetic number, because the mean of its divisors is an integer number (3388392).

Almost surely, 2^45973949 is an apocalyptic number.

It is an amenable number.

45973949 is a deficient number, since it is larger than the sum of its proper divisors (8240323).

45973949 is a wasteful number, since it uses less digits than its factorization.

45973949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its digits is 1224720, while the sum is 50.

The square root of 45973949 is about 6780.4092059403. The cubic root of 45973949 is about 358.2371352130.

The spelling of 45973949 in words is "forty-five million, nine hundred seventy-three thousand, nine hundred forty-nine".