45493631 has 2 divisors, whose sum is σ = 45493632. Its totient is φ = 45493630.

The previous prime is 45493601. The next prime is 45493667. The reversal of 45493631 is 13639454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45493631 - 2²² = 41299327 is a prime.

It is a super-2 number, since 2×45493631² = 4139340923128322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45493591 and 45493600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45493601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22746815 + 22746816.

It is an arithmetic number, because the mean of its divisors is an integer number (22746816).

Almost surely, 2^45493631 is an apocalyptic number.

45493631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45493631 is an equidigital number, since it uses as much as digits as its factorization.

45493631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 45493631 is about 6744.8966634041. The cubic root of 45493631 is about 356.9851908479.

The spelling of 45493631 in words is "forty-five million, four hundred ninety-three thousand, six hundred thirty-one".