45745437 has 4 divisors (see below), whose sum is σ = 60993920. Its totient is φ = 30496956.

The previous prime is 45745417. The next prime is 45745457. The reversal of 45745437 is 73454754.

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 an interprime number because it is at equal distance from previous prime (45745417) and next prime (45745457).

It is not a de Polignac number, because 45745437 - 2¹⁹ = 45221149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45745395 and 45745404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45745417) 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, 7624237 + ... + 7624242.

It is an arithmetic number, because the mean of its divisors is an integer number (15248480).

Almost surely, 2^45745437 is an apocalyptic number.

It is an amenable number.

45745437 is a deficient number, since it is larger than the sum of its proper divisors (15248483).

45745437 is a wasteful number, since it uses less digits than its factorization.

45745437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15248482.

The product of its digits is 235200, while the sum is 39.

The square root of 45745437 is about 6763.5373141574. The cubic root of 45745437 is about 357.6426138102.

It can be divided in two parts, 4574 and 5437, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 45745437 in words is "forty-five million, seven hundred forty-five thousand, four hundred thirty-seven".