5145554 has 4 divisors (see below), whose sum is σ = 7718334. Its totient is φ = 2572776.

The previous prime is 5145529. The next prime is 5145589. The reversal of 5145554 is 4555415.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4687225 + 458329 = 2165^2 + 677^2 .

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 as a sum of consecutive naturals, namely, 1286387 + ... + 1286390.

Almost surely, 2^5145554 is an apocalyptic number.

5145554 is a deficient number, since it is larger than the sum of its proper divisors (2572780).

5145554 is a wasteful number, since it uses less digits than its factorization.

5145554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572779.

The product of its digits is 10000, while the sum is 29.

The square root of 5145554 is about 2268.3813612354. The cubic root of 5145554 is about 172.6410412687.

The spelling of 5145554 in words is "five million, one hundred forty-five thousand, five hundred fifty-four".