143190664 has 8 divisors (see below), whose sum is σ = 268482510. Its totient is φ = 71595328.

The previous prime is 143190659. The next prime is 143190667. The reversal of 143190664 is 466091341.

It can be written as a sum of positive squares in only one way, i.e., 130644900 + 12545764 = 11430^2 + 3542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (143190667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8949409 + ... + 8949424.

Almost surely, 2^143190664 is an apocalyptic number.

It is an amenable number.

143190664 is a deficient number, since it is larger than the sum of its proper divisors (125291846).

143190664 is a wasteful number, since it uses less digits than its factorization.

143190664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17898839 (or 17898835 counting only the distinct ones).

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

The square root of 143190664 is about 11966.2301498843. The cubic root of 143190664 is about 523.1644609994.

The spelling of 143190664 in words is "one hundred forty-three million, one hundred ninety thousand, six hundred sixty-four".