142105162 has 16 divisors (see below), whose sum is σ = 221645160. Its totient is φ = 68248768.

The previous prime is 142105157. The next prime is 142105163. The reversal of 142105162 is 261501241.

It can be written as a sum of positive squares in 4 ways, for example, as 124791241 + 17313921 = 11171^2 + 4161^2 .

It is not an unprimeable number, because it can be changed into a prime (142105163) 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, 5208 + ... + 17644.

Almost surely, 2^142105162 is an apocalyptic number.

142105162 is a deficient number, since it is larger than the sum of its proper divisors (79539998).

142105162 is a wasteful number, since it uses less digits than its factorization.

142105162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12665.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 142105162 is about 11920.7869706660. The cubic root of 142105162 is about 521.8391018227.

The spelling of 142105162 in words is "one hundred forty-two million, one hundred five thousand, one hundred sixty-two".