143150992609 has 3 divisors (see below), whose sum is σ = 143151370963. Its totient is φ = 143150614256.

The previous prime is 143150992601. The next prime is 143150992681. The reversal of 143150992609 is 906299051341.

The square root of 143150992609 is 378353.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 104054630625 + 39096361984 = 322575^2 + 197728^2 .

It is not a de Polignac number, because 143150992609 - 2³ = 143150992601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143150992601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 189177 + ... + 567529.

Almost surely, 2^143150992609 is an apocalyptic number.

143150992609 is the 378353-rd square number.

143150992609 is the 189177-th centered octagonal number.

It is an amenable number.

143150992609 is a deficient number, since it is larger than the sum of its proper divisors (378354).

143150992609 is an frugal number, since it uses more digits than its factorization.

143150992609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756706 (or 378353 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

Multiplying 143150992609 by its sum of digits (49), we get a square (7014398637841 = 2648471²).

The spelling of 143150992609 in words is "one hundred forty-three billion, one hundred fifty million, nine hundred ninety-two thousand, six hundred nine".