142165576 has 48 divisors (see below), whose sum is σ = 318528000. Its totient is φ = 58266912.

The previous prime is 142165571. The next prime is 142165589. The reversal of 142165576 is 675561241.

It is a happy number.

It is a super-2 number, since 2×142165576² = 40422101998823552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142165571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27225 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (6636000).

Almost surely, 2^142165576 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 142165576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159264000).

142165576 is an abundant number, since it is smaller than the sum of its proper divisors (176362424).

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

142165576 is a wasteful number, since it uses less digits than its factorization.

142165576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858 (or 4831 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 142165576 is about 11923.3206784016. The cubic root of 142165576 is about 521.9130421836.

The spelling of 142165576 in words is "one hundred forty-two million, one hundred sixty-five thousand, five hundred seventy-six".