143972112 has 40 divisors (see below), whose sum is σ = 372431520. Its totient is φ = 47925760.

The previous prime is 143972107. The next prime is 143972113. The reversal of 143972112 is 211279341.

It is a self number, because there is not a number n which added to its sum of digits gives 143972112.

It is not an unprimeable number, because it can be changed into a prime (143972113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45064 + ... + 48152.

It is an arithmetic number, because the mean of its divisors is an integer number (9310788).

Almost surely, 2^143972112 is an apocalyptic number.

143972112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143972112 is an abundant number, since it is smaller than the sum of its proper divisors (228459408).

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

143972112 is a wasteful number, since it uses less digits than its factorization.

143972112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4065 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 143972112 is about 11998.8379437344. The cubic root of 143972112 is about 524.1144399739.

The spelling of 143972112 in words is "one hundred forty-three million, nine hundred seventy-two thousand, one hundred twelve".