143104551 has 12 divisors (see below), whose sum is σ = 199464888. Its totient is φ = 91254064.

The previous prime is 143104529. The next prime is 143104579. The reversal of 143104551 is 155401341.

It is a happy number.

It is not a de Polignac number, because 143104551 - 2²³ = 134715943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143104501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43500 + ... + 46673.

It is an arithmetic number, because the mean of its divisors is an integer number (16622074).

Almost surely, 2^143104551 is an apocalyptic number.

143104551 is a deficient number, since it is larger than the sum of its proper divisors (56360337).

143104551 is an equidigital number, since it uses as much as digits as its factorization.

143104551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90222 (or 90199 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 143104551 is about 11962.6314412841. The cubic root of 143104551 is about 523.0595652051.

Adding to 143104551 its reverse (155401341), we get a palindrome (298505892).

The spelling of 143104551 in words is "one hundred forty-three million, one hundred four thousand, five hundred fifty-one".