143386890 has 16 divisors (see below), whose sum is σ = 344128608. Its totient is φ = 38236496.

The previous prime is 143386849. The next prime is 143386907. The reversal of 143386890 is 98683341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389752 + ... + 2389811.

It is an arithmetic number, because the mean of its divisors is an integer number (21508038).

Almost surely, 2^143386890 is an apocalyptic number.

143386890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143386890 is an abundant number, since it is smaller than the sum of its proper divisors (200741718).

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

143386890 is a wasteful number, since it uses less digits than its factorization.

143386890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779573.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 143386890 is about 11974.4264998371. The cubic root of 143386890 is about 523.4033304167.

The spelling of 143386890 in words is "one hundred forty-three million, three hundred eighty-six thousand, eight hundred ninety".