142229376 has 96 divisors (see below), whose sum is σ = 411616920. Its totient is φ = 47139840.

The previous prime is 142229357. The next prime is 142229389. The reversal of 142229376 is 673922241.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 142229376.

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 11 ways as a sum of consecutive naturals, for example, 381126 + ... + 381498.

Almost surely, 2^142229376 is an apocalyptic number.

142229376 is a gapful number since it is divisible by the number (16) 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 142229376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205808460).

142229376 is an abundant number, since it is smaller than the sum of its proper divisors (269387544).

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

142229376 is a wasteful number, since it uses less digits than its factorization.

142229376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 709 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 142229376 is about 11925.9958074787. The cubic root of 142229376 is about 521.9911039132.

The spelling of 142229376 in words is "one hundred forty-two million, two hundred twenty-nine thousand, three hundred seventy-six".