554442345 has 24 divisors (see below), whose sum is σ = 961591176. Its totient is φ = 295531008.

The previous prime is 554442331. The next prime is 554442349. The reversal of 554442345 is 543244455.

554442345 is a `hidden beast` number, since 554 + 44 + 23 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9126441 + 545315904 = 3021^2 + 23352^2 .

It is not a de Polignac number, because 554442345 - 2⁶ = 554442281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554442349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128239 + ... + 132491.

It is an arithmetic number, because the mean of its divisors is an integer number (40066299).

Almost surely, 2^554442345 is an apocalyptic number.

It is an amenable number.

554442345 is a deficient number, since it is larger than the sum of its proper divisors (407148831).

554442345 is a wasteful number, since it uses less digits than its factorization.

554442345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161 (or 7158 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 554442345 is about 23546.5994360120. The cubic root of 554442345 is about 821.5212416252.

The spelling of 554442345 in words is "five hundred fifty-four million, four hundred forty-two thousand, three hundred forty-five".