142121160 has 96 divisors (see below), whose sum is σ = 464330880. Its totient is φ = 37699200.

The previous prime is 142121153. The next prime is 142121171. The reversal of 142121160 is 61121241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75025 + ... + 76895.

It is an arithmetic number, because the mean of its divisors is an integer number (4836780).

Almost surely, 2^142121160 is an apocalyptic number.

142121160 is a gapful number since it is divisible by the number (10) 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 142121160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232165440).

142121160 is an abundant number, since it is smaller than the sum of its proper divisors (322209720).

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

142121160 is a wasteful number, since it uses less digits than its factorization.

142121160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 142121160 is about 11921.4579645277. The cubic root of 142121160 is about 521.8586837262.

The spelling of 142121160 in words is "one hundred forty-two million, one hundred twenty-one thousand, one hundred sixty".