457457045 has 8 divisors (see below), whose sum is σ = 559306296. Its totient is φ = 359060416.

The previous prime is 457457027. The next prime is 457457057. The reversal of 457457045 is 540754754.

It can be written as a sum of positive squares in 4 ways, for example, as 35688676 + 421768369 = 5974^2 + 20537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457457045 - 2¹⁴ = 457440661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457456993 and 457457011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862862 + ... + 863391.

It is an arithmetic number, because the mean of its divisors is an integer number (69913287).

Almost surely, 2^457457045 is an apocalyptic number.

It is an amenable number.

457457045 is a deficient number, since it is larger than the sum of its proper divisors (101849251).

457457045 is a wasteful number, since it uses less digits than its factorization.

457457045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726311.

The product of its (nonzero) digits is 392000, while the sum is 41.

The square root of 457457045 is about 21388.2454867154. The cubic root of 457457045 is about 770.5191557108.

The spelling of 457457045 in words is "four hundred fifty-seven million, four hundred fifty-seven thousand, forty-five".