551301145 has 8 divisors (see below), whose sum is σ = 690325056. Its totient is φ = 421865136.

The previous prime is 551301139. The next prime is 551301167. The reversal of 551301145 is 541103155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551301145 - 2³ = 551301137 is a prime.

It is a super-2 number, since 2×551301145² = 607865904956622050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2396847 + ... + 2397076.

It is an arithmetic number, because the mean of its divisors is an integer number (86290632).

Almost surely, 2^551301145 is an apocalyptic number.

It is an amenable number.

551301145 is a deficient number, since it is larger than the sum of its proper divisors (139023911).

551301145 is a wasteful number, since it uses less digits than its factorization.

551301145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793951.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 551301145 is about 23479.8029165494. The cubic root of 551301145 is about 819.9668561857.

The spelling of 551301145 in words is "five hundred fifty-one million, three hundred one thousand, one hundred forty-five".