1143425100 has 72 divisors (see below), whose sum is σ = 3502932048. Its totient is φ = 286976000.

The previous prime is 1143425099. The next prime is 1143425113. The reversal of 1143425100 is 15243411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107001 + ... + 117200.

It is an arithmetic number, because the mean of its divisors is an integer number (48651834).

Almost surely, 2^1143425100 is an apocalyptic number.

1143425100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143425100 is an abundant number, since it is smaller than the sum of its proper divisors (2359506948).

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

1143425100 is a wasteful number, since it uses less digits than its factorization.

1143425100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224235 (or 224228 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1143425100 is about 33814.5693451802. The cubic root of 1143425100 is about 1045.6890825350.

Adding to 1143425100 its reverse (15243411), we get a palindrome (1158668511).

The spelling of 1143425100 in words is "one billion, one hundred forty-three million, four hundred twenty-five thousand, one hundred".