143211264 has 144 divisors (see below), whose sum is σ = 461518848. Its totient is φ = 38486016.

The previous prime is 143211259. The next prime is 143211287. The reversal of 143211264 is 462112341.

It is a super-2 number, since 2×143211264² = 41018932272955392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90609 + ... + 92175.

It is an arithmetic number, because the mean of its divisors is an integer number (3204992).

Almost surely, 2^143211264 is an apocalyptic number.

143211264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143211264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230759424).

143211264 is an abundant number, since it is smaller than the sum of its proper divisors (318307584).

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

143211264 is a wasteful number, since it uses less digits than its factorization.

143211264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1596 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 143211264 is about 11967.0908745610. The cubic root of 143211264 is about 523.1895479961.

The spelling of 143211264 in words is "one hundred forty-three million, two hundred eleven thousand, two hundred sixty-four".