457504445 has 16 divisors (see below), whose sum is σ = 577605168. Its totient is φ = 347420160.

The previous prime is 457504441. The next prime is 457504457. The reversal of 457504445 is 544405754.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 95667961 + 361836484 = 9781^2 + 19022^2 .

It is not a de Polignac number, because 457504445 - 2² = 457504441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 457504399 and 457504408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457504441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22574 + ... + 37743.

It is an arithmetic number, because the mean of its divisors is an integer number (36100323).

Almost surely, 2^457504445 is an apocalyptic number.

It is an amenable number.

457504445 is a deficient number, since it is larger than the sum of its proper divisors (120100723).

457504445 is a wasteful number, since it uses less digits than its factorization.

457504445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60400.

The product of its (nonzero) digits is 224000, while the sum is 38.

The square root of 457504445 is about 21389.3535432934. The cubic root of 457504445 is about 770.5457675694.

The spelling of 457504445 in words is "four hundred fifty-seven million, five hundred four thousand, four hundred forty-five".