143345890 has 32 divisors (see below), whose sum is σ = 269951616. Its totient is φ = 54700800.

The previous prime is 143345879. The next prime is 143345903. The reversal of 143345890 is 98543341.

143345890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135865 + ... + 136915.

It is an arithmetic number, because the mean of its divisors is an integer number (8435988).

Almost surely, 2^143345890 is an apocalyptic number.

143345890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143345890 is a deficient number, since it is larger than the sum of its proper divisors (126605726).

143345890 is a wasteful number, since it uses less digits than its factorization.

143345890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 143345890 is about 11972.7143956582. The cubic root of 143345890 is about 523.3534384025.

The spelling of 143345890 in words is "one hundred forty-three million, three hundred forty-five thousand, eight hundred ninety".