142261143226 has 8 divisors (see below), whose sum is σ = 213600720564. Its totient is φ = 71060903040.

The previous prime is 142261143223. The next prime is 142261143287. The reversal of 142261143226 is 622341162241.

It can be written as a sum of positive squares in 2 ways, for example, as 142193097225 + 68046001 = 377085^2 + 8249^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 142261143191 and 142261143200.

It is not an unprimeable number, because it can be changed into a prime (142261143223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34831735 + ... + 34835818.

Almost surely, 2^142261143226 is an apocalyptic number.

142261143226 is a deficient number, since it is larger than the sum of its proper divisors (71339577338).

142261143226 is a wasteful number, since it uses less digits than its factorization.

142261143226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69668576.

The product of its digits is 27648, while the sum is 34.

The spelling of 142261143226 in words is "one hundred forty-two billion, two hundred sixty-one million, one hundred forty-three thousand, two hundred twenty-six".