142940162 has 8 divisors (see below), whose sum is σ = 214470396. Its totient is φ = 71450032.

The previous prime is 142940129. The next prime is 142940167. The reversal of 142940162 is 261049241.

It can be written as a sum of positive squares in 2 ways, for example, as 142110241 + 829921 = 11921^2 + 911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142940167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568 + ... + 16980.

Almost surely, 2^142940162 is an apocalyptic number.

142940162 is a deficient number, since it is larger than the sum of its proper divisors (71530234).

142940162 is a wasteful number, since it uses less digits than its factorization.

142940162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20052.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 142940162 is about 11955.7585288429. The cubic root of 142940162 is about 522.8592031062.

The spelling of 142940162 in words is "one hundred forty-two million, nine hundred forty thousand, one hundred sixty-two".