142161152 has 72 divisors (see below), whose sum is σ = 331128000. Its totient is φ = 60888576.

The previous prime is 142161113. The next prime is 142161181. The reversal of 142161152 is 251161241.

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, 86999 + ... + 88617.

It is an arithmetic number, because the mean of its divisors is an integer number (4599000).

Almost surely, 2^142161152 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 142161152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165564000).

142161152 is an abundant number, since it is smaller than the sum of its proper divisors (188966848).

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

142161152 is an frugal number, since it uses more digits than its factorization.

142161152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1628 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 142161152 is about 11923.1351581704. The cubic root of 142161152 is about 521.9076283854.

The spelling of 142161152 in words is "one hundred forty-two million, one hundred sixty-one thousand, one hundred fifty-two".