142943377 has 4 divisors (see below), whose sum is σ = 144956736. Its totient is φ = 140930020.

The previous prime is 142943369. The next prime is 142943399. The reversal of 142943377 is 773349241.

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.

It is a cyclic number.

It is not a de Polignac number, because 142943377 - 2³ = 142943369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142943677) 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, 1006573 + ... + 1006714.

It is an arithmetic number, because the mean of its divisors is an integer number (36239184).

Almost surely, 2^142943377 is an apocalyptic number.

It is an amenable number.

142943377 is a deficient number, since it is larger than the sum of its proper divisors (2013359).

142943377 is an equidigital number, since it uses as much as digits as its factorization.

142943377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013358.

The product of its digits is 127008, while the sum is 40.

The square root of 142943377 is about 11955.8929821239. The cubic root of 142943377 is about 522.8631231142.

It can be divided in two parts, 14294 and 3377, that added together give a palindrome (17671).

The spelling of 142943377 in words is "one hundred forty-two million, nine hundred forty-three thousand, three hundred seventy-seven".