1142690223644 has 24 divisors (see below), whose sum is σ = 2023537360320. Its totient is φ = 564545332736.

The previous prime is 1142690223617. The next prime is 1142690223721. The reversal of 1142690223644 is 4463220962411.

It is a junction number, because it is equal to n+sod(n) for n = 1142690223595 and 1142690223604.

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, 549917 + ... + 1608660.

It is an arithmetic number, because the mean of its divisors is an integer number (84314056680).

Almost surely, 2^{1142690223644} is an apocalyptic number.

It is an amenable number.

1142690223644 is a deficient number, since it is larger than the sum of its proper divisors (880847136676).

1142690223644 is a wasteful number, since it uses less digits than its factorization.

1142690223644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160157 (or 2160155 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 1142690223644 in words is "one trillion, one hundred forty-two billion, six hundred ninety million, two hundred twenty-three thousand, six hundred forty-four".