142377912 has 160 divisors (see below), whose sum is σ = 428107680. Its totient is φ = 44098560.

The previous prime is 142377877. The next prime is 142377929. The reversal of 142377912 is 219773241.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 610948 + ... + 611180.

It is an arithmetic number, because the mean of its divisors is an integer number (2675673).

Almost surely, 2^142377912 is an apocalyptic number.

142377912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142377912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214053840).

142377912 is an abundant number, since it is smaller than the sum of its proper divisors (285729768).

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

142377912 is a wasteful number, since it uses less digits than its factorization.

142377912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 302 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 142377912 is about 11932.2215869468. The cubic root of 142377912 is about 522.1727529687.

The spelling of 142377912 in words is "one hundred forty-two million, three hundred seventy-seven thousand, nine hundred twelve".