142002072 has 80 divisors (see below), whose sum is σ = 410625600. Its totient is φ = 45800640.

The previous prime is 142002053. The next prime is 142002079. The reversal of 142002072 is 270200241.

142002072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142002079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16554 + ... + 23622.

It is an arithmetic number, because the mean of its divisors is an integer number (5132820).

Almost surely, 2^142002072 is an apocalyptic number.

142002072 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 142002072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205312800).

142002072 is an abundant number, since it is smaller than the sum of its proper divisors (268623528).

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

142002072 is a wasteful number, since it uses less digits than its factorization.

142002072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118 (or 7105 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 142002072 is about 11916.4622266846. The cubic root of 142002072 is about 521.7128821360.

The spelling of 142002072 in words is "one hundred forty-two million, two thousand, seventy-two".