555015145 has 4 divisors (see below), whose sum is σ = 666018180. Its totient is φ = 444012112.

The previous prime is 555015119. The next prime is 555015157. The reversal of 555015145 is 541510555.

555015145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 263835049 + 291180096 = 16243^2 + 17064^2 .

It is a cyclic number.

It is not a de Polignac number, because 555015145 - 2⁵ = 555015113 is a prime.

It is a super-2 number, since 2×555015145² = 616083622358742050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55501510 + ... + 55501519.

It is an arithmetic number, because the mean of its divisors is an integer number (166504545).

Almost surely, 2^555015145 is an apocalyptic number.

It is an amenable number.

555015145 is a deficient number, since it is larger than the sum of its proper divisors (111003035).

555015145 is a wasteful number, since it uses less digits than its factorization.

555015145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111003034.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 555015145 is about 23558.7594113103. The cubic root of 555015145 is about 821.8040515603.

The spelling of 555015145 in words is "five hundred fifty-five million, fifteen thousand, one hundred forty-five".