522432145 has 8 divisors (see below), whose sum is σ = 627068520. Its totient is φ = 417845760.

The previous prime is 522432139. The next prime is 522432161. The reversal of 522432145 is 541234225.

It can be written as a sum of positive squares in 4 ways, for example, as 41770369 + 480661776 = 6463^2 + 21924^2 .

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

It is not a de Polignac number, because 522432145 - 2³ = 522432137 is a prime.

It is a super-2 number, since 2×522432145² = 545870692258602050, which contains 22 as substring.

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, 16705 + ... + 36385.

It is an arithmetic number, because the mean of its divisors is an integer number (78383565).

Almost surely, 2^522432145 is an apocalyptic number.

It is an amenable number.

522432145 is a deficient number, since it is larger than the sum of its proper divisors (104636375).

522432145 is a wasteful number, since it uses less digits than its factorization.

522432145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24995.

The product of its digits is 9600, while the sum is 28.

The square root of 522432145 is about 22856.7745974798. The cubic root of 522432145 is about 805.3969185694.

The spelling of 522432145 in words is "five hundred twenty-two million, four hundred thirty-two thousand, one hundred forty-five".