143573401 has 4 divisors (see below), whose sum is σ = 143685904. Its totient is φ = 143460900.

The previous prime is 143573399. The next prime is 143573411. The reversal of 143573401 is 104375341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143573401 - 2¹ = 143573399 is a prime.

It is a super-2 number, since 2×143573401² = 41226642949413602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143573401.

It is not an unprimeable number, because it can be changed into a prime (143573411) 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, 54315 + ... + 56896.

It is an arithmetic number, because the mean of its divisors is an integer number (35921476).

Almost surely, 2^143573401 is an apocalyptic number.

It is an amenable number.

143573401 is a deficient number, since it is larger than the sum of its proper divisors (112503).

143573401 is a wasteful number, since it uses less digits than its factorization.

143573401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112502.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 143573401 is about 11982.2118575829. The cubic root of 143573401 is about 523.6301716628.

The spelling of 143573401 in words is "one hundred forty-three million, five hundred seventy-three thousand, four hundred one".