551145045 has 32 divisors (see below), whose sum is σ = 964099584. Its totient is φ = 266638400.

The previous prime is 551145037. The next prime is 551145071. The reversal of 551145045 is 540541155.

551145045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551145045 - 2³ = 551145037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77614 + ... + 84416.

It is an arithmetic number, because the mean of its divisors is an integer number (30128112).

Almost surely, 2^551145045 is an apocalyptic number.

551145045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551145045 is a deficient number, since it is larger than the sum of its proper divisors (412954539).

551145045 is a wasteful number, since it uses less digits than its factorization.

551145045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 551145045 is about 23476.4785476868. The cubic root of 551145045 is about 819.8894581308.

The spelling of 551145045 in words is "five hundred fifty-one million, one hundred forty-five thousand, forty-five".