240043142 has 4 divisors (see below), whose sum is σ = 360064716. Its totient is φ = 120021570.

The previous prime is 240043123. The next prime is 240043163. The reversal of 240043142 is 241340042.

240043142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×240043142³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010784 + ... + 60010787.

It is an arithmetic number, because the mean of its divisors is an integer number (90016179).

Almost surely, 2^240043142 is an apocalyptic number.

240043142 is a deficient number, since it is larger than the sum of its proper divisors (120021574).

240043142 is a wasteful number, since it uses less digits than its factorization.

240043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120021573.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 240043142 is about 15493.3257243240. The cubic root of 240043142 is about 621.4837356889.

Adding to 240043142 its reverse (241340042), we get a palindrome (481383184).

The spelling of 240043142 in words is "two hundred forty million, forty-three thousand, one hundred forty-two".