1457262479 has 4 divisors (see below), whose sum is σ = 1458591984. Its totient is φ = 1455932976.

The previous prime is 1457262461. The next prime is 1457262503. The reversal of 1457262479 is 9742627541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457262479 is a prime.

It is a super-2 number, since 2×1457262479² = 4247227865402450882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457262439) 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, 663107 + ... + 665300.

It is an arithmetic number, because the mean of its divisors is an integer number (364647996).

Almost surely, 2^1457262479 is an apocalyptic number.

1457262479 is a deficient number, since it is larger than the sum of its proper divisors (1329505).

1457262479 is a wasteful number, since it uses less digits than its factorization.

1457262479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329504.

The product of its digits is 846720, while the sum is 47.

The square root of 1457262479 is about 38174.1074420870. The cubic root of 1457262479 is about 1133.7377154904.

The spelling of 1457262479 in words is "one billion, four hundred fifty-seven million, two hundred sixty-two thousand, four hundred seventy-nine".