143963442 has 48 divisors (see below), whose sum is σ = 367990272. Its totient is φ = 39804480.

The previous prime is 143963431. The next prime is 143963447. The reversal of 143963442 is 244369341.

It is a happy number.

143963442 is a `hidden beast` number, since 14 + 3 + 9 + 634 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 143963397 and 143963406.

It is not an unprimeable number, because it can be changed into a prime (143963447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14523 + ... + 22334.

It is an arithmetic number, because the mean of its divisors is an integer number (7666464).

Almost surely, 2^143963442 is an apocalyptic number.

143963442 is an abundant number, since it is smaller than the sum of its proper divisors (224026830).

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

143963442 is a wasteful number, since it uses less digits than its factorization.

143963442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903 (or 36900 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 143963442 is about 11998.4766533090. The cubic root of 143963442 is about 524.1039190395.

The spelling of 143963442 in words is "one hundred forty-three million, nine hundred sixty-three thousand, four hundred forty-two".