45463381 has 2 divisors, whose sum is σ = 45463382. Its totient is φ = 45463380.

The previous prime is 45463357. The next prime is 45463459. The reversal of 45463381 is 18336454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 707281 = 6690^2 + 841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45463381 is a prime.

It is a super-2 number, since 2×45463381² = 4133838023902322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45463331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22731690 + 22731691.

It is an arithmetic number, because the mean of its divisors is an integer number (22731691).

Almost surely, 2^45463381 is an apocalyptic number.

It is an amenable number.

45463381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45463381 is an equidigital number, since it uses as much as digits as its factorization.

45463381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 45463381 is about 6742.6538543811. The cubic root of 45463381 is about 356.9060501261.

The spelling of 45463381 in words is "forty-five million, four hundred sixty-three thousand, three hundred eighty-one".