142114477 has 4 divisors (see below), whose sum is σ = 142363936. Its totient is φ = 141865020.

The previous prime is 142114463. The next prime is 142114481. The reversal of 142114477 is 774411241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774411241 = 331 ⋅2339611.

It is a cyclic number.

It is not a de Polignac number, because 142114477 - 2²³ = 133725869 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 (142111477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123873 + ... + 125014.

It is an arithmetic number, because the mean of its divisors is an integer number (35590984).

Almost surely, 2^142114477 is an apocalyptic number.

It is an amenable number.

142114477 is a deficient number, since it is larger than the sum of its proper divisors (249459).

142114477 is an equidigital number, since it uses as much as digits as its factorization.

142114477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249458.

The product of its digits is 6272, while the sum is 31.

The square root of 142114477 is about 11921.1776683346. The cubic root of 142114477 is about 521.8505037661.

The spelling of 142114477 in words is "one hundred forty-two million, one hundred fourteen thousand, four hundred seventy-seven".