142649168 has 40 divisors (see below), whose sum is σ = 286059816. Its totient is φ = 68864000.

The previous prime is 142649161. The next prime is 142649179. The reversal of 142649168 is 861946241.

It can be written as a sum of positive squares in 4 ways, for example, as 3125824 + 139523344 = 1768^2 + 11812^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142649161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65180 + ... + 67332.

Almost surely, 2^142649168 is an apocalyptic number.

It is an amenable number.

142649168 is an abundant number, since it is smaller than the sum of its proper divisors (143410648).

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

142649168 is a wasteful number, since it uses less digits than its factorization.

142649168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2297 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 142649168 is about 11943.5827120676. The cubic root of 142649168 is about 522.5041541759.

It can be divided in two parts, 14264 and 9168, that added together give a palindrome (23432).

The spelling of 142649168 in words is "one hundred forty-two million, six hundred forty-nine thousand, one hundred sixty-eight".