45671449 has 2 divisors, whose sum is σ = 45671450. Its totient is φ = 45671448.

The previous prime is 45671443. The next prime is 45671471. The reversal of 45671449 is 94417654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45657049 + 14400 = 6757^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 45671449 - 2³ = 45671441 is a prime.

It is not a weakly prime, because it can be changed into another prime (45671441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22835724 + 22835725.

It is an arithmetic number, because the mean of its divisors is an integer number (22835725).

Almost surely, 2^45671449 is an apocalyptic number.

It is an amenable number.

45671449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45671449 is an equidigital number, since it uses as much as digits as its factorization.

45671449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 45671449 is about 6758.0654776349. The cubic root of 45671449 is about 357.4496944555.

The spelling of 45671449 in words is "forty-five million, six hundred seventy-one thousand, four hundred forty-nine".