143553141 has 20 divisors (see below), whose sum is σ = 214803072. Its totient is φ = 95541768.

The previous prime is 143553139. The next prime is 143553169. The reversal of 143553141 is 141355341.

It is a happy number.

143553141 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 143553141 - 2¹ = 143553139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143553101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65916 + ... + 68058.

Almost surely, 2^143553141 is an apocalyptic number.

It is an amenable number.

143553141 is a deficient number, since it is larger than the sum of its proper divisors (71249931).

143553141 is an equidigital number, since it uses as much as digits as its factorization.

143553141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2973 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 143553141 is about 11981.3664078852. The cubic root of 143553141 is about 523.6055402518.

The spelling of 143553141 in words is "one hundred forty-three million, five hundred fifty-three thousand, one hundred forty-one".