142935194 has 4 divisors (see below), whose sum is σ = 214402794. Its totient is φ = 71467596.

The previous prime is 142935173. The next prime is 142935197. The reversal of 142935194 is 491539241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81234169 + 61701025 = 9013^2 + 7855^2 .

It is not an unprimeable number, because it can be changed into a prime (142935197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35733797 + ... + 35733800.

Almost surely, 2^142935194 is an apocalyptic number.

142935194 is a deficient number, since it is larger than the sum of its proper divisors (71467600).

142935194 is an equidigital number, since it uses as much as digits as its factorization.

142935194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71467599.

The product of its digits is 38880, while the sum is 38.

The square root of 142935194 is about 11955.5507610482. The cubic root of 142935194 is about 522.8531455723.

The spelling of 142935194 in words is "one hundred forty-two million, nine hundred thirty-five thousand, one hundred ninety-four".