1142542352100 has 72 divisors (see below), whose sum is σ = 3307562899648. Its totient is φ = 304511414400.

The previous prime is 1142542352053. The next prime is 1142542352177. The reversal of 1142542352100 is 12532452411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490699 + ... + 1589298.

Almost surely, 2^{1142542352100} is an apocalyptic number.

1142542352100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142542352100 is an abundant number, since it is smaller than the sum of its proper divisors (2165020547548).

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

1142542352100 is a wasteful number, since it uses less digits than its factorization.

1142542352100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081845 (or 2081838 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1142542352100 in words is "one trillion, one hundred forty-two billion, five hundred forty-two million, three hundred fifty-two thousand, one hundred".