554640145 has 4 divisors (see below), whose sum is σ = 665568180. Its totient is φ = 443712112.

The previous prime is 554640139. The next prime is 554640161. The reversal of 554640145 is 541046455.

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 66716224 + 487923921 = 8168^2 + 22089^2 .

It is a cyclic number.

It is not a de Polignac number, because 554640145 - 2⁷ = 554640017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554640145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55464010 + ... + 55464019.

It is an arithmetic number, because the mean of its divisors is an integer number (166392045).

Almost surely, 2^554640145 is an apocalyptic number.

It is an amenable number.

554640145 is a deficient number, since it is larger than the sum of its proper divisors (110928035).

554640145 is a wasteful number, since it uses less digits than its factorization.

554640145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110928034.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 554640145 is about 23550.7992433378. The cubic root of 554640145 is about 821.6189239079.

The spelling of 554640145 in words is "five hundred fifty-four million, six hundred forty thousand, one hundred forty-five".