45405437 has 8 divisors (see below), whose sum is σ = 56609472. Its totient is φ = 35380800.

The previous prime is 45405403. The next prime is 45405439. The reversal of 45405437 is 73450454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45405437 - 2¹² = 45401341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294764 + ... + 294917.

It is an arithmetic number, because the mean of its divisors is an integer number (7076184).

Almost surely, 2^45405437 is an apocalyptic number.

It is an amenable number.

45405437 is a deficient number, since it is larger than the sum of its proper divisors (11204035).

45405437 is a wasteful number, since it uses less digits than its factorization.

45405437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589699.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 45405437 is about 6738.3556599515. The cubic root of 45405437 is about 356.7543576660.

The spelling of 45405437 in words is "forty-five million, four hundred five thousand, four hundred thirty-seven".