1457622143 has 8 divisors (see below), whose sum is σ = 1557024768. Its totient is φ = 1359737344.

The previous prime is 1457622097. The next prime is 1457622149. The reversal of 1457622143 is 3412267541.

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

It is a cyclic number.

It is not a de Polignac number, because 1457622143 - 2¹⁴ = 1457605759 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377471 + ... + 381312.

It is an arithmetic number, because the mean of its divisors is an integer number (194628096).

Almost surely, 2^1457622143 is an apocalyptic number.

1457622143 is a deficient number, since it is larger than the sum of its proper divisors (99402625).

1457622143 is a wasteful number, since it uses less digits than its factorization.

1457622143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758913.

The product of its digits is 40320, while the sum is 35.

The square root of 1457622143 is about 38178.8179885129. The cubic root of 1457622143 is about 1133.8309796543.

Adding to 1457622143 its reverse (3412267541), we get a palindrome (4869889684).

The spelling of 1457622143 in words is "one billion, four hundred fifty-seven million, six hundred twenty-two thousand, one hundred forty-three".