142677641 has 4 divisors (see below), whose sum is σ = 142876800. Its totient is φ = 142478484.

The previous prime is 142677629. The next prime is 142677653. The reversal of 142677641 is 146776241.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (142677629) and next prime (142677653).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142677641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142677595 and 142677604.

It is not an unprimeable number, because it can be changed into a prime (142677541) 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, 98501 + ... + 99938.

It is an arithmetic number, because the mean of its divisors is an integer number (35719200).

Almost surely, 2^142677641 is an apocalyptic number.

It is an amenable number.

142677641 is a deficient number, since it is larger than the sum of its proper divisors (199159).

142677641 is an equidigital number, since it uses as much as digits as its factorization.

142677641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199158.

The product of its digits is 56448, while the sum is 38.

The square root of 142677641 is about 11944.7746316119. The cubic root of 142677641 is about 522.5389160822.

The spelling of 142677641 in words is "one hundred forty-two million, six hundred seventy-seven thousand, six hundred forty-one".