142634246 has 4 divisors (see below), whose sum is σ = 213951372. Its totient is φ = 71317122.

The previous prime is 142634227. The next prime is 142634249. The reversal of 142634246 is 642436241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642436241 = 11399 ⋅56359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142634249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35658560 + ... + 35658563.

It is an arithmetic number, because the mean of its divisors is an integer number (53487843).

Almost surely, 2^142634246 is an apocalyptic number.

142634246 is a deficient number, since it is larger than the sum of its proper divisors (71317126).

142634246 is an equidigital number, since it uses as much as digits as its factorization.

142634246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71317125.

The product of its digits is 27648, while the sum is 32.

The square root of 142634246 is about 11942.9580088017. The cubic root of 142634246 is about 522.4859344672.

The spelling of 142634246 in words is "one hundred forty-two million, six hundred thirty-four thousand, two hundred forty-six".