45851237 has 4 divisors (see below), whose sum is σ = 48264480. Its totient is φ = 43437996.

The previous prime is 45851207. The next prime is 45851293. The reversal of 45851237 is 73215854.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45851237 - 2⁶ = 45851173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45851197 and 45851206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45851207) 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, 1206593 + ... + 1206630.

It is an arithmetic number, because the mean of its divisors is an integer number (12066120).

Almost surely, 2^45851237 is an apocalyptic number.

It is an amenable number.

45851237 is a deficient number, since it is larger than the sum of its proper divisors (2413243).

45851237 is a wasteful number, since it uses less digits than its factorization.

45851237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413242.

The product of its digits is 33600, while the sum is 35.

The square root of 45851237 is about 6771.3541481745. The cubic root of 45851237 is about 357.9181200132.

The spelling of 45851237 in words is "forty-five million, eight hundred fifty-one thousand, two hundred thirty-seven".