45985942 has 4 divisors (see below), whose sum is σ = 68978916. Its totient is φ = 22992970.

The previous prime is 45985939. The next prime is 45985991. The reversal of 45985942 is 24958954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24958954 = 2 ⋅12479477.

It is a super-2 number, since 2×45985942² = 4229413723254728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45985892 and 45985901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11496484 + ... + 11496487.

It is an arithmetic number, because the mean of its divisors is an integer number (17244729).

Almost surely, 2^45985942 is an apocalyptic number.

45985942 is a deficient number, since it is larger than the sum of its proper divisors (22992974).

45985942 is a wasteful number, since it uses less digits than its factorization.

45985942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992973.

The product of its digits is 518400, while the sum is 46.

The square root of 45985942 is about 6781.2935344225. The cubic root of 45985942 is about 358.2682830298.

The spelling of 45985942 in words is "forty-five million, nine hundred eighty-five thousand, nine hundred forty-two".