1457307998 has 4 divisors (see below), whose sum is σ = 2185962000. Its totient is φ = 728653998.

The previous prime is 1457307967. The next prime is 1457308001. The reversal of 1457307998 is 8997037541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8997037541 = 107 ⋅84084463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364326998 + ... + 364327001.

It is an arithmetic number, because the mean of its divisors is an integer number (546490500).

Almost surely, 2^1457307998 is an apocalyptic number.

1457307998 is a deficient number, since it is larger than the sum of its proper divisors (728654002).

1457307998 is an equidigital number, since it uses as much as digits as its factorization.

1457307998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728654001.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 1457307998 is about 38174.7036399760. The cubic root of 1457307998 is about 1133.7495198315.

The spelling of 1457307998 in words is "one billion, four hundred fifty-seven million, three hundred seven thousand, nine hundred ninety-eight".