143624401 has 8 divisors (see below), whose sum is σ = 151552800. Its totient is φ = 135732960.

The previous prime is 143624293. The next prime is 143624407. The reversal of 143624401 is 104426341.

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

It is not a de Polignac number, because 143624401 - 2¹⁵ = 143591633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143624407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (18944100).

Almost surely, 2^143624401 is an apocalyptic number.

It is an amenable number.

143624401 is a deficient number, since it is larger than the sum of its proper divisors (7928399).

143624401 is a wasteful number, since it uses less digits than its factorization.

143624401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18479.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 143624401 is about 11984.3398232861. The cubic root of 143624401 is about 523.6921654516.

The spelling of 143624401 in words is "one hundred forty-three million, six hundred twenty-four thousand, four hundred one".