142274774042 has 4 divisors (see below), whose sum is σ = 213412161066. Its totient is φ = 71137387020.

The previous prime is 142274774023. The next prime is 142274774077. The reversal of 142274774042 is 240477472241.

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., 90728066521 + 51546707521 = 301211^2 + 227039^2 .

It is a super-3 number, since 3×142274774042³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 142274773984 and 142274774002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568693509 + ... + 35568693512.

Almost surely, 2^142274774042 is an apocalyptic number.

142274774042 is a deficient number, since it is larger than the sum of its proper divisors (71137387024).

142274774042 is an equidigital number, since it uses as much as digits as its factorization.

142274774042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71137387023.

The product of its (nonzero) digits is 702464, while the sum is 44.

The spelling of 142274774042 in words is "one hundred forty-two billion, two hundred seventy-four million, seven hundred seventy-four thousand, forty-two".