143904052 has 12 divisors (see below), whose sum is σ = 252628740. Its totient is φ = 71724416.

The previous prime is 143904049. The next prime is 143904053. The reversal of 143904052 is 250409341.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 135815716 = 2844^2 + 11654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143904052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143904053) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 55477 + ... + 58012.

It is an arithmetic number, because the mean of its divisors is an integer number (21052395).

Almost surely, 2^143904052 is an apocalyptic number.

It is an amenable number.

143904052 is a deficient number, since it is larger than the sum of its proper divisors (108724688).

143904052 is a wasteful number, since it uses less digits than its factorization.

143904052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113810 (or 113808 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 143904052 is about 11996.0015005001. The cubic root of 143904052 is about 524.0318386730.

The spelling of 143904052 in words is "one hundred forty-three million, nine hundred four thousand, fifty-two".