1457457146 has 8 divisors (see below), whose sum is σ = 2281237344. Its totient is φ = 697044700.

The previous prime is 1457457139. The next prime is 1457457151. The reversal of 1457457146 is 6417547541.

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 = 1457457097 and 1457457106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15841880 + ... + 15841971.

It is an arithmetic number, because the mean of its divisors is an integer number (285154668).

Almost surely, 2^1457457146 is an apocalyptic number.

1457457146 is a deficient number, since it is larger than the sum of its proper divisors (823780198).

1457457146 is a wasteful number, since it uses less digits than its factorization.

1457457146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31683876.

The product of its digits is 470400, while the sum is 44.

The square root of 1457457146 is about 38176.6570825681. The cubic root of 1457457146 is about 1133.7881963284.

The spelling of 1457457146 in words is "one billion, four hundred fifty-seven million, four hundred fifty-seven thousand, one hundred forty-six".