142166052 has 108 divisors (see below), whose sum is σ = 423508176. Its totient is φ = 40088160.

The previous prime is 142166029. The next prime is 142166071. The reversal of 142166052 is 250661241.

142166052 is a `hidden beast` number, since 1 + 42 + 16 + 605 + 2 = 666.

It is a super-2 number, since 2×142166052² = 40422372682533408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145927 + ... + 146897.

It is an arithmetic number, because the mean of its divisors is an integer number (3921372).

Almost surely, 2^142166052 is an apocalyptic number.

142166052 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 142166052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211754088).

142166052 is an abundant number, since it is smaller than the sum of its proper divisors (281342124).

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

142166052 is a wasteful number, since it uses less digits than its factorization.

142166052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 142166052 is about 11923.3406392672. The cubic root of 142166052 is about 521.9136246742.

The spelling of 142166052 in words is "one hundred forty-two million, one hundred sixty-six thousand, fifty-two".