142779676 has 48 divisors (see below), whose sum is σ = 289916928. Its totient is φ = 60984000.

The previous prime is 142779667. The next prime is 142779677. The reversal of 142779676 is 676977241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142779677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35151 + ... + 39001.

It is an arithmetic number, because the mean of its divisors is an integer number (6039936).

Almost surely, 2^142779676 is an apocalyptic number.

It is an amenable number.

142779676 is an abundant number, since it is smaller than the sum of its proper divisors (147137252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142779676 is a wasteful number, since it uses less digits than its factorization.

142779676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3920 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 142779676 is about 11949.0449827591. The cubic root of 142779676 is about 522.6634498521.

The spelling of 142779676 in words is "one hundred forty-two million, seven hundred seventy-nine thousand, six hundred seventy-six".