143378252 has 12 divisors (see below), whose sum is σ = 254446416. Its totient is φ = 70679280.

The previous prime is 143378227. The next prime is 143378269. The reversal of 143378252 is 252873341.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 252143 + ... + 252710.

It is an arithmetic number, because the mean of its divisors is an integer number (21203868).

Almost surely, 2^143378252 is an apocalyptic number.

It is an amenable number.

143378252 is a deficient number, since it is larger than the sum of its proper divisors (111068164).

143378252 is a wasteful number, since it uses less digits than its factorization.

143378252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504928 (or 504926 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 143378252 is about 11974.0658090725. The cubic root of 143378252 is about 523.3928198120.

The spelling of 143378252 in words is "one hundred forty-three million, three hundred seventy-eight thousand, two hundred fifty-two".