45463493 has 2 divisors, whose sum is σ = 45463494. Its totient is φ = 45463492.

The previous prime is 45463487. The next prime is 45463507. The reversal of 45463493 is 39436454.

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., 24137569 + 21325924 = 4913^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 45463493 - 2⁸ = 45463237 is a prime.

It is a super-2 number, since 2×45463493² = 4133858391522098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45403493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22731746 + 22731747.

It is an arithmetic number, because the mean of its divisors is an integer number (22731747).

Almost surely, 2^45463493 is an apocalyptic number.

It is an amenable number.

45463493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45463493 is an equidigital number, since it uses as much as digits as its factorization.

45463493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 45463493 is about 6742.6621597111. The cubic root of 45463493 is about 356.9063432077.

The spelling of 45463493 in words is "forty-five million, four hundred sixty-three thousand, four hundred ninety-three".