45772385 has 8 divisors (see below), whose sum is σ = 55328616. Its totient is φ = 36350080.

The previous prime is 45772379. The next prime is 45772409. The reversal of 45772385 is 58327754.

It can be written as a sum of positive squares in 4 ways, for example, as 1203409 + 44568976 = 1097^2 + 6676^2 .

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

It is not a de Polignac number, because 45772385 - 2¹⁴ = 45756001 is a prime.

It is a super-2 number, since 2×45772385² = 4190222457176450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32726 + ... + 34095.

It is an arithmetic number, because the mean of its divisors is an integer number (6916077).

Almost surely, 2^45772385 is an apocalyptic number.

It is an amenable number.

45772385 is a deficient number, since it is larger than the sum of its proper divisors (9556231).

45772385 is a wasteful number, since it uses less digits than its factorization.

45772385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66963.

The product of its digits is 235200, while the sum is 41.

The square root of 45772385 is about 6765.5291736863. The cubic root of 45772385 is about 357.7128274528.

The spelling of 45772385 in words is "forty-five million, seven hundred seventy-two thousand, three hundred eighty-five".