143968242 has 16 divisors (see below), whose sum is σ = 314112672. Its totient is φ = 43626720.

The previous prime is 143968219. The next prime is 143968243. The reversal of 143968242 is 242869341.

143968242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143968242.

It is not an unprimeable number, because it can be changed into a prime (143968243) 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, 1090603 + ... + 1090734.

It is an arithmetic number, because the mean of its divisors is an integer number (19632042).

Almost surely, 2^143968242 is an apocalyptic number.

143968242 is an abundant number, since it is smaller than the sum of its proper divisors (170144430).

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

143968242 is a wasteful number, since it uses less digits than its factorization.

143968242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181353.

The product of its digits is 82944, while the sum is 39.

The square root of 143968242 is about 11998.6766770340. The cubic root of 143968242 is about 524.1097438304.

The spelling of 143968242 in words is "one hundred forty-three million, nine hundred sixty-eight thousand, two hundred forty-two".