143109466 has 4 divisors (see below), whose sum is σ = 214664202. Its totient is φ = 71554732.

The previous prime is 143109443. The next prime is 143109469. The reversal of 143109466 is 664901341.

143109466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106688241 + 36421225 = 10329^2 + 6035^2 .

It is not an unprimeable number, because it can be changed into a prime (143109469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35777365 + ... + 35777368.

Almost surely, 2^143109466 is an apocalyptic number.

143109466 is a deficient number, since it is larger than the sum of its proper divisors (71554736).

143109466 is an equidigital number, since it uses as much as digits as its factorization.

143109466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71554735.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 143109466 is about 11962.8368709098. The cubic root of 143109466 is about 523.0655533872.

The spelling of 143109466 in words is "one hundred forty-three million, one hundred nine thousand, four hundred sixty-six".