143368690 has 16 divisors (see below), whose sum is σ = 259096320. Its totient is φ = 57118000.

The previous prime is 143368679. The next prime is 143368697. The reversal of 143368690 is 96863341.

It is a super-2 number, since 2×143368690² = 41109162544632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143368697) 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 7 ways as a sum of consecutive naturals, for example, 26050 + ... + 31069.

It is an arithmetic number, because the mean of its divisors is an integer number (16193520).

Almost surely, 2^143368690 is an apocalyptic number.

143368690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143368690 is a deficient number, since it is larger than the sum of its proper divisors (115727630).

143368690 is a wasteful number, since it uses less digits than its factorization.

143368690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57377.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 143368690 is about 11973.6665228325. Note that the first 3 decimals coincide. The cubic root of 143368690 is about 523.3811844039.

The spelling of 143368690 in words is "one hundred forty-three million, three hundred sixty-eight thousand, six hundred ninety".