142456349 has 8 divisors (see below), whose sum is σ = 163333248. Its totient is φ = 121710960.

The previous prime is 142456297. The next prime is 142456373. The reversal of 142456349 is 943654241.

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

It is not a de Polignac number, because 142456349 - 2²⁴ = 125679133 is a prime.

It is a super-2 number, since 2×142456349² = 40587622740819602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142456399) 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, 30542 + ... + 34895.

It is an arithmetic number, because the mean of its divisors is an integer number (20416656).

Almost surely, 2^142456349 is an apocalyptic number.

It is an amenable number.

142456349 is a deficient number, since it is larger than the sum of its proper divisors (20876899).

142456349 is an equidigital number, since it uses as much as digits as its factorization.

142456349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65755.

The product of its digits is 103680, while the sum is 38.

The square root of 142456349 is about 11935.5079070813. The cubic root of 142456349 is about 522.2686249212.

The spelling of 142456349 in words is "one hundred forty-two million, four hundred fifty-six thousand, three hundred forty-nine".