240002142 has 16 divisors (see below), whose sum is σ = 481458432. Its totient is φ = 79758360.

The previous prime is 240002137. The next prime is 240002143. The reversal of 240002142 is 241200042.

240002142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240002143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58438 + ... + 62409.

It is an arithmetic number, because the mean of its divisors is an integer number (30091152).

Almost surely, 2^240002142 is an apocalyptic number.

240002142 is an abundant number, since it is smaller than the sum of its proper divisors (241456290).

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

240002142 is a wasteful number, since it uses less digits than its factorization.

240002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121183.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 240002142 is about 15492.0025174281. The cubic root of 240002142 is about 621.4483499886.

Adding to 240002142 its reverse (241200042), we get a palindrome (481202184).

The spelling of 240002142 in words is "two hundred forty million, two thousand, one hundred forty-two".