143493445 has 8 divisors (see below), whose sum is σ = 172483200. Its totient is φ = 114600720.

The previous prime is 143493443. The next prime is 143493457. The reversal of 143493445 is 544394341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143493445 - 2¹ = 143493443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143493443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20961 + ... + 26950.

It is an arithmetic number, because the mean of its divisors is an integer number (21560400).

Almost surely, 2^143493445 is an apocalyptic number.

It is an amenable number.

143493445 is a deficient number, since it is larger than the sum of its proper divisors (28989755).

143493445 is an equidigital number, since it uses as much as digits as its factorization.

143493445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48515.

The product of its digits is 103680, while the sum is 37.

The square root of 143493445 is about 11978.8749471726. The cubic root of 143493445 is about 523.5329504317.

The spelling of 143493445 in words is "one hundred forty-three million, four hundred ninety-three thousand, four hundred forty-five".