142455797 has 8 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 129280960.

The previous prime is 142455793. The next prime is 142455811. The reversal of 142455797 is 797554241.

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 142455797 - 2² = 142455793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455793) 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, 4397 + ... + 17442.

It is an arithmetic number, because the mean of its divisors is an integer number (19459440).

Almost surely, 2^142455797 is an apocalyptic number.

It is an amenable number.

142455797 is a deficient number, since it is larger than the sum of its proper divisors (13219723).

142455797 is a wasteful number, since it uses less digits than its factorization.

142455797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22443.

The product of its digits is 352800, while the sum is 44.

The square root of 142455797 is about 11935.4847827811. The cubic root of 142455797 is about 522.2679503458.

The spelling of 142455797 in words is "one hundred forty-two million, four hundred fifty-five thousand, seven hundred ninety-seven".