457229981545 has 32 divisors (see below), whose sum is σ = 580834727424. Its totient is φ = 344810188800.

The previous prime is 457229981543. The next prime is 457229981563. The reversal of 457229981545 is 545189922754.

It is a happy number.

It is not a de Polignac number, because 457229981545 - 2¹ = 457229981543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457229981543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22468075 + ... + 22488415.

It is an arithmetic number, because the mean of its divisors is an integer number (18151085232).

Almost surely, 2^457229981545 is an apocalyptic number.

It is an amenable number.

457229981545 is a deficient number, since it is larger than the sum of its proper divisors (123604745879).

457229981545 is a wasteful number, since it uses less digits than its factorization.

457229981545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23193.

The product of its digits is 36288000, while the sum is 61.

The spelling of 457229981545 in words is "four hundred fifty-seven billion, two hundred twenty-nine million, nine hundred eighty-one thousand, five hundred forty-five".