143748331 has 8 divisors (see below), whose sum is σ = 148950000. Its totient is φ = 138563040.

The previous prime is 143748323. The next prime is 143748343. The reversal of 143748331 is 133847341.

143748331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143748331 - 2³ = 143748323 is a prime.

It is a super-2 number, since 2×143748331² = 41327165330571122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143748301) 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, 15420 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (18618750).

Almost surely, 2^143748331 is an apocalyptic number.

143748331 is a deficient number, since it is larger than the sum of its proper divisors (5201669).

143748331 is an equidigital number, since it uses as much as digits as its factorization.

143748331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189.

The product of its digits is 24192, while the sum is 34.

The square root of 143748331 is about 11989.5092059684. The cubic root of 143748331 is about 523.8427492228.

The spelling of 143748331 in words is "one hundred forty-three million, seven hundred forty-eight thousand, three hundred thirty-one".