1457428589 has 4 divisors (see below), whose sum is σ = 1472453724. Its totient is φ = 1442403456.

The previous prime is 1457428571. The next prime is 1457428597. The reversal of 1457428589 is 9858247541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9858247541 = 67 ⋅147138023.

It can be written as a sum of positive squares in 2 ways, for example, as 1179372964 + 278055625 = 34342^2 + 16675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457428589 - 2⁸ = 1457428333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457428589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457428519) 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, 7512422 + ... + 7512615.

It is an arithmetic number, because the mean of its divisors is an integer number (368113431).

Almost surely, 2^1457428589 is an apocalyptic number.

It is an amenable number.

1457428589 is a deficient number, since it is larger than the sum of its proper divisors (15025135).

1457428589 is an equidigital number, since it uses as much as digits as its factorization.

1457428589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025134.

The product of its digits is 3225600, while the sum is 53.

The square root of 1457428589 is about 38176.2830694660. The cubic root of 1457428589 is about 1133.7807912391.

The spelling of 1457428589 in words is "one billion, four hundred fifty-seven million, four hundred twenty-eight thousand, five hundred eighty-nine".