45636331 has 4 divisors (see below), whose sum is σ = 49146832. Its totient is φ = 42125832.

The previous prime is 45636329. The next prime is 45636377. The reversal of 45636331 is 13363654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45636331 - 2¹ = 45636329 is a prime.

It is a super-2 number, since 2×45636331² = 4165349414283122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45636293 and 45636302.

It is not an unprimeable number, because it can be changed into a prime (45636391) 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, 1755231 + ... + 1755256.

It is an arithmetic number, because the mean of its divisors is an integer number (12286708).

Almost surely, 2^45636331 is an apocalyptic number.

45636331 is a deficient number, since it is larger than the sum of its proper divisors (3510501).

45636331 is a wasteful number, since it uses less digits than its factorization.

45636331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510500.

The product of its digits is 19440, while the sum is 31.

The square root of 45636331 is about 6755.4667492335. The cubic root of 45636331 is about 357.3580534161.

Adding to 45636331 its reverse (13363654), we get a palindrome (58999985).

The spelling of 45636331 in words is "forty-five million, six hundred thirty-six thousand, three hundred thirty-one".