1255442030142 has 16 divisors (see below), whose sum is σ = 2513793553920. Its totient is φ = 417995761112.

The previous prime is 1255442030131. The next prime is 1255442030173. The reversal of 1255442030142 is 2410302445521.

It is a super-2 number, since 2×1255442030142² (a number of 25 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 in 7 ways as a sum of consecutive naturals, for example, 121223292 + ... + 121233647.

It is an arithmetic number, because the mean of its divisors is an integer number (157112097120).

Almost surely, 2^{1255442030142} is an apocalyptic number.

1255442030142 is an abundant number, since it is smaller than the sum of its proper divisors (1258351523778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255442030142 is a wasteful number, since it uses less digits than its factorization.

1255442030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242457807.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1255442030142 its reverse (2410302445521), we get a palindrome (3665744475663).

The spelling of 1255442030142 in words is "one trillion, two hundred fifty-five billion, four hundred forty-two million, thirty thousand, one hundred forty-two".