45771437 has 4 divisors (see below), whose sum is σ = 48180480. Its totient is φ = 43362396.

The previous prime is 45771421. The next prime is 45771503. The reversal of 45771437 is 73417754.

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 45771437 - 2⁴ = 45771421 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 45771437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45711437) 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, 1204493 + ... + 1204530.

It is an arithmetic number, because the mean of its divisors is an integer number (12045120).

Almost surely, 2^45771437 is an apocalyptic number.

It is an amenable number.

45771437 is a deficient number, since it is larger than the sum of its proper divisors (2409043).

45771437 is a wasteful number, since it uses less digits than its factorization.

45771437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409042.

The product of its digits is 82320, while the sum is 38.

The square root of 45771437 is about 6765.4591122850. The cubic root of 45771437 is about 357.7103578844.

The spelling of 45771437 in words is "forty-five million, seven hundred seventy-one thousand, four hundred thirty-seven".