45870437 has 4 divisors (see below), whose sum is σ = 48568716. Its totient is φ = 43172160.

The previous prime is 45870401. The next prime is 45870439. The reversal of 45870437 is 73407854.

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 36954241 + 8916196 = 6079^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 45870437 - 2¹⁰ = 45869413 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 45870437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45870439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349114 + ... + 1349147.

It is an arithmetic number, because the mean of its divisors is an integer number (12142179).

Almost surely, 2^45870437 is an apocalyptic number.

It is an amenable number.

45870437 is a deficient number, since it is larger than the sum of its proper divisors (2698279).

45870437 is a wasteful number, since it uses less digits than its factorization.

45870437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698278.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 45870437 is about 6772.7717368888. The cubic root of 45870437 is about 357.9680719110.

The spelling of 45870437 in words is "forty-five million, eight hundred seventy thousand, four hundred thirty-seven".