1457430173 has 4 divisors (see below), whose sum is σ = 1459509948. Its totient is φ = 1455350400.

The previous prime is 1457430133. The next prime is 1457430217. The reversal of 1457430173 is 3710347541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3710347541 = 12107 ⋅306463.

It can be written as a sum of positive squares in 2 ways, for example, as 475109209 + 982320964 = 21797^2 + 31342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457430173 - 2⁶ = 1457430109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457430133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038836 + ... + 1040237.

It is an arithmetic number, because the mean of its divisors is an integer number (364877487).

Almost surely, 2^1457430173 is an apocalyptic number.

It is an amenable number.

1457430173 is a deficient number, since it is larger than the sum of its proper divisors (2079775).

1457430173 is an equidigital number, since it uses as much as digits as its factorization.

1457430173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079774.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1457430173 is about 38176.3038153250. The cubic root of 1457430173 is about 1133.7812019872.

The spelling of 1457430173 in words is "one billion, four hundred fifty-seven million, four hundred thirty thousand, one hundred seventy-three".