142106772 has 24 divisors (see below), whose sum is σ = 331782976. Its totient is φ = 47340288.

The previous prime is 142106753. The next prime is 142106773. The reversal of 142106772 is 277601241.

142106772 is digitally balanced in base 3, because in such base 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 (142106773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28833 + ... + 33399.

Almost surely, 2^142106772 is an apocalyptic number.

142106772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142106772 is an abundant number, since it is smaller than the sum of its proper divisors (189676204).

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

142106772 is a wasteful number, since it uses less digits than its factorization.

142106772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 142106772 is about 11920.8544995734. The cubic root of 142106772 is about 521.8410725646.

The spelling of 142106772 in words is "one hundred forty-two million, one hundred six thousand, seven hundred seventy-two".