143724012 has 24 divisors (see below), whose sum is σ = 337099056. Its totient is φ = 47659008.

The previous prime is 143724011. The next prime is 143724013. The reversal of 143724012 is 210427341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143724011) and next prime (143724013).

It is a super-2 number, since 2×143724012² = 41313183250752288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143724011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28713 + ... + 33344.

It is an arithmetic number, because the mean of its divisors is an integer number (14045794).

Almost surely, 2^143724012 is an apocalyptic number.

143724012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143724012 is an abundant number, since it is smaller than the sum of its proper divisors (193375044).

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

143724012 is a wasteful number, since it uses less digits than its factorization.

143724012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62257 (or 62255 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 143724012 is about 11988.4949847760. The cubic root of 143724012 is about 523.8132067342.

The spelling of 143724012 in words is "one hundred forty-three million, seven hundred twenty-four thousand, twelve".