1142452320100 has 108 divisors (see below), whose sum is σ = 3067991802624. Its totient is φ = 361567290240.

The previous prime is 1142452320077. The next prime is 1142452320127. The reversal of 1142452320100 is 10232542411.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4710324 + ... + 4946923.

Almost surely, 2^{1142452320100} is an apocalyptic number.

1142452320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142452320100 is an abundant number, since it is smaller than the sum of its proper divisors (1925539482524).

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

1142452320100 is a wasteful number, since it uses less digits than its factorization.

1142452320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657294 (or 9657274 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1142452320100 its reverse (10232542411), we get a palindrome (1152684862511).

The spelling of 1142452320100 in words is "one trillion, one hundred forty-two billion, four hundred fifty-two million, three hundred twenty thousand, one hundred".