142133712 has 160 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 39739392.

The previous prime is 142133707. The next prime is 142133741. The reversal of 142133712 is 217331241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1465248 + ... + 1465344.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^142133712 is an apocalyptic number.

142133712 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 142133712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218736000).

142133712 is an abundant number, since it is smaller than the sum of its proper divisors (295338288).

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

142133712 is an equidigital number, since it uses as much as digits as its factorization.

142133712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 198 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 142133712 is about 11921.9843985806. The cubic root of 142133712 is about 521.8740466212.

Adding to 142133712 its reverse (217331241), we get a palindrome (359464953).

It can be divided in two parts, 142133 and 712, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142133712 in words is "one hundred forty-two million, one hundred thirty-three thousand, seven hundred twelve".