143552401 has 8 divisors (see below), whose sum is σ = 147127680. Its totient is φ = 140021232.

The previous prime is 143552399. The next prime is 143552419. The reversal of 143552401 is 104255341.

It is a happy number.

143552401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 143552401 - 2¹ = 143552399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143552491) 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, 4390 + ... + 17503.

It is an arithmetic number, because the mean of its divisors is an integer number (18390960).

Almost surely, 2^143552401 is an apocalyptic number.

It is an amenable number.

143552401 is a deficient number, since it is larger than the sum of its proper divisors (3575279).

143552401 is an equidigital number, since it uses as much as digits as its factorization.

143552401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22055.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 143552401 is about 11981.3355265596. The cubic root of 143552401 is about 523.6046405414.

The spelling of 143552401 in words is "one hundred forty-three million, five hundred fifty-two thousand, four hundred one".