45193837 has 32 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 36246528.

The previous prime is 45193831. The next prime is 45193859. The reversal of 45193837 is 73839154.

It is not a de Polignac number, because 45193837 - 2¹⁵ = 45161069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45193837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45193831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197239 + ... + 197467.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^45193837 is an apocalyptic number.

45193837 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

45193837 is a deficient number, since it is larger than the sum of its proper divisors (10447763).

45193837 is a wasteful number, since it uses less digits than its factorization.

45193837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 90720, while the sum is 40.

The square root of 45193837 is about 6722.6361644819. The cubic root of 45193837 is about 356.1993081869.

It can be divided in two parts, 4 and 5193837, that added together give a square (5193841 = 2279²).

The spelling of 45193837 in words is "forty-five million, one hundred ninety-three thousand, eight hundred thirty-seven".