45449477 has 2 divisors, whose sum is σ = 45449478. Its totient is φ = 45449476.

The previous prime is 45449473. The next prime is 45449479. The reversal of 45449477 is 77494454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 16008001 = 5426^2 + 4001^2 .

It is a cyclic number.

It is not a de Polignac number, because 45449477 - 2² = 45449473 is a prime.

Together with 45449479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45449473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724738 + 22724739.

It is an arithmetic number, because the mean of its divisors is an integer number (22724739).

Almost surely, 2^45449477 is an apocalyptic number.

It is an amenable number.

45449477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45449477 is an equidigital number, since it uses as much as digits as its factorization.

45449477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 45449477 is about 6741.6227275041. The cubic root of 45449477 is about 356.8696623962.

The spelling of 45449477 in words is "forty-five million, four hundred forty-nine thousand, four hundred seventy-seven".