555430145 has 4 divisors (see below), whose sum is σ = 666516180. Its totient is φ = 444344112.

The previous prime is 555430133. The next prime is 555430147. The reversal of 555430145 is 541034555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251032336 + 304397809 = 15844^2 + 17447^2 .

It is a cyclic number.

It is not a de Polignac number, because 555430145 - 2¹² = 555426049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555430147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55543010 + ... + 55543019.

It is an arithmetic number, because the mean of its divisors is an integer number (166629045).

Almost surely, 2^555430145 is an apocalyptic number.

It is an amenable number.

555430145 is a deficient number, since it is larger than the sum of its proper divisors (111086035).

555430145 is a wasteful number, since it uses less digits than its factorization.

555430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111086034.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 555430145 is about 23567.5655297699. The cubic root of 555430145 is about 822.0088289831.

The spelling of 555430145 in words is "five hundred fifty-five million, four hundred thirty thousand, one hundred forty-five".