142889162 has 12 divisors (see below), whose sum is σ = 232089750. Its totient is φ = 65948688.

The previous prime is 142889161. The next prime is 142889221. The reversal of 142889162 is 261988241.

It can be written as a sum of positive squares in 3 ways, for example, as 107972881 + 34916281 = 10391^2 + 5909^2 .

It is not an unprimeable number, because it can be changed into a prime (142889161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211037 + ... + 211712.

Almost surely, 2^142889162 is an apocalyptic number.

142889162 is a deficient number, since it is larger than the sum of its proper divisors (89200588).

142889162 is a wasteful number, since it uses less digits than its factorization.

142889162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422777 (or 422764 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 142889162 is about 11953.6254751435. The cubic root of 142889162 is about 522.7970116012.

The spelling of 142889162 in words is "one hundred forty-two million, eight hundred eighty-nine thousand, one hundred sixty-two".