143420575 has 6 divisors (see below), whose sum is σ = 177841544. Its totient is φ = 114736440.

The previous prime is 143420561. The next prime is 143420579. The reversal of 143420575 is 575024341.

143420575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143420575 - 2⁷ = 143420447 is a prime.

It is a super-2 number, since 2×143420575² = 41138922666661250, 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 (143420579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2868387 + ... + 2868436.

Almost surely, 2^143420575 is an apocalyptic number.

143420575 is a deficient number, since it is larger than the sum of its proper divisors (34420969).

143420575 is an equidigital number, since it uses as much as digits as its factorization.

143420575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736833 (or 5736828 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 143420575 is about 11975.8329564169. The cubic root of 143420575 is about 523.4443138491. Note that the first 3 decimals are identical.

The spelling of 143420575 in words is "one hundred forty-three million, four hundred twenty thousand, five hundred seventy-five".