142577976 has 64 divisors (see below), whose sum is σ = 378662400. Its totient is φ = 44610048.

The previous prime is 142577971. The next prime is 142577977. The reversal of 142577976 is 679775241.

It is a happy number.

142577976 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142577971) 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, 50145 + ... + 52911.

It is an arithmetic number, because the mean of its divisors is an integer number (5916600).

Almost surely, 2^142577976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142577976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189331200).

142577976 is an abundant number, since it is smaller than the sum of its proper divisors (236084424).

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

142577976 is a wasteful number, since it uses less digits than its factorization.

142577976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2904 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 142577976 is about 11940.6019948745. The cubic root of 142577976 is about 522.4172175650.

It can be divided in two parts, 1425 and 77976, that added together give a triangular number (79401 = T₃₉₈).

The spelling of 142577976 in words is "one hundred forty-two million, five hundred seventy-seven thousand, nine hundred seventy-six".