143813616 has 20 divisors (see below), whose sum is σ = 371518632. Its totient is φ = 47937856.

The previous prime is 143813611. The next prime is 143813627. The reversal of 143813616 is 616318341.

It is a super-2 number, since 2×143813616² = 41364712293990912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143813611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498011 + ... + 1498106.

Almost surely, 2^143813616 is an apocalyptic number.

143813616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143813616 is an abundant number, since it is smaller than the sum of its proper divisors (227705016).

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

143813616 is a wasteful number, since it uses less digits than its factorization.

143813616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996128 (or 2996122 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 143813616 is about 11992.2314854242. The cubic root of 143813616 is about 523.9220403414.

The spelling of 143813616 in words is "one hundred forty-three million, eight hundred thirteen thousand, six hundred sixteen".