1457622142 has 8 divisors (see below), whose sum is σ = 2189178936. Its totient is φ = 727895832.

The previous prime is 1457622097. The next prime is 1457622149. The reversal of 1457622142 is 2412267541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1457622098 and 1457622107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457622149) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 455628 + ... + 458815.

It is an arithmetic number, because the mean of its divisors is an integer number (273647367).

Almost surely, 2^1457622142 is an apocalyptic number.

1457622142 is a deficient number, since it is larger than the sum of its proper divisors (731556794).

1457622142 is an equidigital number, since it uses as much as digits as its factorization.

1457622142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915242.

The product of its digits is 26880, while the sum is 34.

The square root of 1457622142 is about 38178.8179754167. The cubic root of 1457622142 is about 1133.8309793950.

Adding to 1457622142 its reverse (2412267541), we get a palindrome (3869889683).

The spelling of 1457622142 in words is "one billion, four hundred fifty-seven million, six hundred twenty-two thousand, one hundred forty-two".