1461142657 has 8 divisors (see below), whose sum is σ = 1573883136. Its totient is φ = 1348451472.

The previous prime is 1461142651. The next prime is 1461142667. The reversal of 1461142657 is 7562411641.

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 1461142657 - 2³ = 1461142649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461142651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69318 + ... + 87904.

It is an arithmetic number, because the mean of its divisors is an integer number (196735392).

Almost surely, 2^1461142657 is an apocalyptic number.

It is an amenable number.

1461142657 is a deficient number, since it is larger than the sum of its proper divisors (112740479).

1461142657 is a wasteful number, since it uses less digits than its factorization.

1461142657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24647.

The product of its digits is 40320, while the sum is 37.

The square root of 1461142657 is about 38224.8957748743. The cubic root of 1461142657 is about 1134.7430721202.

The spelling of 1461142657 in words is "one billion, four hundred sixty-one million, one hundred forty-two thousand, six hundred fifty-seven".