457353145 has 4 divisors (see below), whose sum is σ = 548823780. Its totient is φ = 365882512.

The previous prime is 457353139. The next prime is 457353223. The reversal of 457353145 is 541353754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541353754 = 2 ⋅270676877.

It can be written as a sum of positive squares in 2 ways, for example, as 265918249 + 191434896 = 16307^2 + 13836^2 .

It is a cyclic number.

It is not a de Polignac number, because 457353145 - 2¹⁵ = 457320377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45735310 + ... + 45735319.

It is an arithmetic number, because the mean of its divisors is an integer number (137205945).

Almost surely, 2^457353145 is an apocalyptic number.

It is an amenable number.

457353145 is a deficient number, since it is larger than the sum of its proper divisors (91470635).

457353145 is an equidigital number, since it uses as much as digits as its factorization.

457353145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91470634.

The product of its digits is 126000, while the sum is 37.

The square root of 457353145 is about 21385.8164445503. The cubic root of 457353145 is about 770.4608165342.

The spelling of 457353145 in words is "four hundred fifty-seven million, three hundred fifty-three thousand, one hundred forty-five".