142457141 has 8 divisors (see below), whose sum is σ = 149422080. Its totient is φ = 135656208.

The previous prime is 142457131. The next prime is 142457149. The reversal of 142457141 is 141754241.

It is a happy number.

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

It is not a de Polignac number, because 142457141 - 2¹⁴ = 142440757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142457149) 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, 39221 + ... + 42698.

It is an arithmetic number, because the mean of its divisors is an integer number (18677760).

Almost surely, 2^142457141 is an apocalyptic number.

It is an amenable number.

142457141 is a deficient number, since it is larger than the sum of its proper divisors (6964939).

142457141 is an equidigital number, since it uses as much as digits as its factorization.

142457141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82003.

The product of its digits is 4480, while the sum is 29.

The square root of 142457141 is about 11935.5410853467. The cubic root of 142457141 is about 522.2695927872.

The spelling of 142457141 in words is "one hundred forty-two million, four hundred fifty-seven thousand, one hundred forty-one".