142635377 has 4 divisors (see below), whose sum is σ = 143247780. Its totient is φ = 142022976.

The previous prime is 142635347. The next prime is 142635403. The reversal of 142635377 is 773536241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32993536 + 109641841 = 5744^2 + 10471^2 .

It is a cyclic number.

It is not a de Polignac number, because 142635377 - 2⁶ = 142635313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142635377.

It is not an unprimeable number, because it can be changed into a prime (142635307) 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, 305852 + ... + 306317.

It is an arithmetic number, because the mean of its divisors is an integer number (35811945).

Almost surely, 2^142635377 is an apocalyptic number.

It is an amenable number.

142635377 is a deficient number, since it is larger than the sum of its proper divisors (612403).

142635377 is an equidigital number, since it uses as much as digits as its factorization.

142635377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612402.

The product of its digits is 105840, while the sum is 38.

The square root of 142635377 is about 11943.0053587864. The cubic root of 142635377 is about 522.4873154586.

The spelling of 142635377 in words is "one hundred forty-two million, six hundred thirty-five thousand, three hundred seventy-seven".