143413469 has 4 divisors (see below), whose sum is σ = 143437596. Its totient is φ = 143389344.

The previous prime is 143413451. The next prime is 143413477. The reversal of 143413469 is 964314341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 964314341 = 17 ⋅56724373.

It can be written as a sum of positive squares in 2 ways, for example, as 121837444 + 21576025 = 11038^2 + 4645^2 .

It is a cyclic number.

It is not a de Polignac number, because 143413469 - 2¹⁶ = 143347933 is a prime.

It is a super-2 number, since 2×143413469² = 41134846181227922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143413489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (35859399).

Almost surely, 2^143413469 is an apocalyptic number.

It is an amenable number.

143413469 is a deficient number, since it is larger than the sum of its proper divisors (24127).

143413469 is a wasteful number, since it uses less digits than its factorization.

143413469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24126.

The product of its digits is 31104, while the sum is 35.

The square root of 143413469 is about 11975.5362719170. The cubic root of 143413469 is about 523.4356687465.

The spelling of 143413469 in words is "one hundred forty-three million, four hundred thirteen thousand, four hundred sixty-nine".