143379285 has 32 divisors (see below), whose sum is σ = 262698240. Its totient is φ = 65415168.

The previous prime is 143379253. The next prime is 143379293. The reversal of 143379285 is 582973341.

143379285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143379285 - 2⁵ = 143379253 is a prime.

It is a super-2 number, since 2×143379285² = 41115238734222450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69651 + ... + 71679.

It is an arithmetic number, because the mean of its divisors is an integer number (8209320).

Almost surely, 2^143379285 is an apocalyptic number.

143379285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143379285 is a deficient number, since it is larger than the sum of its proper divisors (119318955).

143379285 is a wasteful number, since it uses less digits than its factorization.

143379285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its digits is 181440, while the sum is 42.

The square root of 143379285 is about 11974.1089438839. The cubic root of 143379285 is about 523.3940767750.

The spelling of 143379285 in words is "one hundred forty-three million, three hundred seventy-nine thousand, two hundred eighty-five".