45942737 has 4 divisors (see below), whose sum is σ = 46364340. Its totient is φ = 45521136.

The previous prime is 45942733. The next prime is 45942739. The reversal of 45942737 is 73724954.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30958096 + 14984641 = 5564^2 + 3871^2 .

It is a cyclic number.

It is not a de Polignac number, because 45942737 - 2² = 45942733 is a prime.

It is a super-2 number, since 2×45942737² = 4221470166102338, 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 = 45942694 and 45942703.

It is not an unprimeable number, because it can be changed into a prime (45942733) 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, 210638 + ... + 210855.

It is an arithmetic number, because the mean of its divisors is an integer number (11591085).

Almost surely, 2^45942737 is an apocalyptic number.

It is an amenable number.

45942737 is a deficient number, since it is larger than the sum of its proper divisors (421603).

45942737 is a wasteful number, since it uses less digits than its factorization.

45942737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421602.

The product of its digits is 211680, while the sum is 41.

The square root of 45942737 is about 6778.1071841628. The cubic root of 45942737 is about 358.1560470532.

The spelling of 45942737 in words is "forty-five million, nine hundred forty-two thousand, seven hundred thirty-seven".