457219345 has 16 divisors (see below), whose sum is σ = 600291648. Its totient is φ = 331551040.

The previous prime is 457219313. The next prime is 457219349. The reversal of 457219345 is 543912754.

It is a happy number.

It is not a de Polignac number, because 457219345 - 2⁵ = 457219313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457219298 and 457219307.

It is not an unprimeable number, because it can be changed into a prime (457219349) 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, 7107 + ... + 31063.

It is an arithmetic number, because the mean of its divisors is an integer number (37518228).

Almost surely, 2^457219345 is an apocalyptic number.

It is an amenable number.

457219345 is a deficient number, since it is larger than the sum of its proper divisors (143072303).

457219345 is a wasteful number, since it uses less digits than its factorization.

457219345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24320.

The product of its digits is 151200, while the sum is 40.

The square root of 457219345 is about 21382.6879741533. The cubic root of 457219345 is about 770.3856756845.

The spelling of 457219345 in words is "four hundred fifty-seven million, two hundred nineteen thousand, three hundred forty-five".