142243844692 has 6 divisors (see below), whose sum is σ = 248926728218. Its totient is φ = 71121922344.

The previous prime is 142243844657. The next prime is 142243844719. The reversal of 142243844692 is 296448342241.

It can be written as a sum of positive squares in only one way, i.e., 117996372036 + 24247472656 = 343506^2 + 155716^2 .

It is a super-2 number, since 2×142243844692² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17780480583 + ... + 17780480590.

Almost surely, 2^142243844692 is an apocalyptic number.

It is an amenable number.

142243844692 is a deficient number, since it is larger than the sum of its proper divisors (106682883526).

142243844692 is a wasteful number, since it uses less digits than its factorization.

142243844692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560961177 (or 35560961175 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

The spelling of 142243844692 in words is "one hundred forty-two billion, two hundred forty-three million, eight hundred forty-four thousand, six hundred ninety-two".