553143145 has 8 divisors (see below), whose sum is σ = 663901056. Its totient is φ = 442428336.

The previous prime is 553143131. The next prime is 553143167. The reversal of 553143145 is 541341355.

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 553143145 - 2⁹ = 553142633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35664 + ... + 48766.

It is an arithmetic number, because the mean of its divisors is an integer number (82987632).

Almost surely, 2^553143145 is an apocalyptic number.

It is an amenable number.

553143145 is a deficient number, since it is larger than the sum of its proper divisors (110757911).

553143145 is a wasteful number, since it uses less digits than its factorization.

553143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551.

The product of its digits is 18000, while the sum is 31.

The square root of 553143145 is about 23518.9954079676. The cubic root of 553143145 is about 820.8790617474.

The spelling of 553143145 in words is "five hundred fifty-three million, one hundred forty-three thousand, one hundred forty-five".