720240143 has 16 divisors (see below), whose sum is σ = 878991360. Its totient is φ = 576828000.

The previous prime is 720240137. The next prime is 720240149. The reversal of 720240143 is 341042027.

It is an interprime number because it is at equal distance from previous prime (720240137) and next prime (720240149).

It is not a de Polignac number, because 720240143 - 2⁴ = 720240127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720240149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50933 + ... + 63518.

It is an arithmetic number, because the mean of its divisors is an integer number (54936960).

Almost surely, 2^720240143 is an apocalyptic number.

720240143 is a deficient number, since it is larger than the sum of its proper divisors (158751217).

720240143 is a wasteful number, since it uses less digits than its factorization.

720240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114518.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 720240143 is about 26837.2901575401. The cubic root of 720240143 is about 896.3805843444.

The spelling of 720240143 in words is "seven hundred twenty million, two hundred forty thousand, one hundred forty-three".