240360143 has 12 divisors (see below), whose sum is σ = 259387968. Its totient is φ = 222478080.

The previous prime is 240360137. The next prime is 240360157. The reversal of 240360143 is 341063042.

It is a happy number.

It is not a de Polignac number, because 240360143 - 2¹⁸ = 240097999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240360173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9071 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (21615664).

Almost surely, 2^240360143 is an apocalyptic number.

240360143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

240360143 is a deficient number, since it is larger than the sum of its proper divisors (19027825).

240360143 is a wasteful number, since it uses less digits than its factorization.

240360143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14734 (or 14711 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 240360143 is about 15503.5525928737. The cubic root of 240360143 is about 621.7571925120.

The spelling of 240360143 in words is "two hundred forty million, three hundred sixty thousand, one hundred forty-three".