1457798532 has 12 divisors (see below), whose sum is σ = 3401529936. Its totient is φ = 485932840.

The previous prime is 1457798509. The next prime is 1457798533. The reversal of 1457798532 is 2358977541.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1457798533) 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, 60741594 + ... + 60741617.

It is an arithmetic number, because the mean of its divisors is an integer number (283460828).

Almost surely, 2^1457798532 is an apocalyptic number.

1457798532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1457798532 is an abundant number, since it is smaller than the sum of its proper divisors (1943731404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457798532 is a wasteful number, since it uses less digits than its factorization.

1457798532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121483218 (or 121483216 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 1457798532 is about 38181.1279560989. The cubic root of 1457798532 is about 1133.8767133279.

The spelling of 1457798532 in words is "one billion, four hundred fifty-seven million, seven hundred ninety-eight thousand, five hundred thirty-two".