142848457 has 8 divisors (see below), whose sum is σ = 144285696. Its totient is φ = 141416352.

The previous prime is 142848439. The next prime is 142848481. The reversal of 142848457 is 754848241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142848457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142848857) 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, 77448 + ... + 79270.

It is an arithmetic number, because the mean of its divisors is an integer number (18035712).

Almost surely, 2^142848457 is an apocalyptic number.

It is an amenable number.

142848457 is a deficient number, since it is larger than the sum of its proper divisors (1437239).

142848457 is a wasteful number, since it uses less digits than its factorization.

142848457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its digits is 286720, while the sum is 43.

The square root of 142848457 is about 11951.9227323473. The cubic root of 142848457 is about 522.7473636244.

The spelling of 142848457 in words is "one hundred forty-two million, eight hundred forty-eight thousand, four hundred fifty-seven".