551452145 has 8 divisors (see below), whose sum is σ = 665172456. Its totient is φ = 438875136.

The previous prime is 551452133. The next prime is 551452169. The reversal of 551452145 is 541254155.

It can be written as a sum of positive squares in 4 ways, for example, as 15437041 + 536015104 = 3929^2 + 23152^2 .

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 551452145 - 2¹⁴ = 551435761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284762 + ... + 286691.

It is an arithmetic number, because the mean of its divisors is an integer number (83146557).

Almost surely, 2^551452145 is an apocalyptic number.

It is an amenable number.

551452145 is a deficient number, since it is larger than the sum of its proper divisors (113720311).

551452145 is a wasteful number, since it uses less digits than its factorization.

551452145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571651.

The product of its digits is 20000, while the sum is 32.

The square root of 551452145 is about 23483.0182259436. The cubic root of 551452145 is about 820.0417116398.

The spelling of 551452145 in words is "five hundred fifty-one million, four hundred fifty-two thousand, one hundred forty-five".