143381433 has 16 divisors (see below), whose sum is σ = 206138240. Its totient is φ = 88124544.

The previous prime is 143381431. The next prime is 143381449. The reversal of 143381433 is 334183341.

It is not a de Polignac number, because 143381433 - 2¹ = 143381431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143381433.

It is not an unprimeable number, because it can be changed into a prime (143381431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38508 + ... + 42066.

It is an arithmetic number, because the mean of its divisors is an integer number (12883640).

Almost surely, 2^143381433 is an apocalyptic number.

143381433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143381433 is a deficient number, since it is larger than the sum of its proper divisors (62756807).

143381433 is a wasteful number, since it uses less digits than its factorization.

143381433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its digits is 10368, while the sum is 30.

The square root of 143381433 is about 11974.1986370696. The cubic root of 143381433 is about 523.3966904600.

The spelling of 143381433 in words is "one hundred forty-three million, three hundred eighty-one thousand, four hundred thirty-three".