142969072 has 40 divisors (see below), whose sum is σ = 301654800. Its totient is φ = 65382912.

The previous prime is 142969061. The next prime is 142969111. The reversal of 142969072 is 270969241.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708 + ... + 16924.

It is an arithmetic number, because the mean of its divisors is an integer number (7541370).

Almost surely, 2^142969072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142969072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150827400).

142969072 is an abundant number, since it is smaller than the sum of its proper divisors (158685728).

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

142969072 is a wasteful number, since it uses less digits than its factorization.

142969072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16273 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 142969072 is about 11956.9675085282. The cubic root of 142969072 is about 522.8944505841.

The spelling of 142969072 in words is "one hundred forty-two million, nine hundred sixty-nine thousand, seventy-two".