523526145 has 16 divisors (see below), whose sum is σ = 838760832. Its totient is φ = 278840960.

The previous prime is 523526123. The next prime is 523526149. The reversal of 523526145 is 541625325.

It is not a de Polignac number, because 523526145 - 2¹⁴ = 523509761 is a prime.

It is a super-2 number, since 2×523526145² = 548159248997122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523526149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11517 + ... + 34346.

It is an arithmetic number, because the mean of its divisors is an integer number (52422552).

Almost surely, 2^523526145 is an apocalyptic number.

It is an amenable number.

523526145 is a deficient number, since it is larger than the sum of its proper divisors (315234687).

523526145 is a wasteful number, since it uses less digits than its factorization.

523526145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46632.

The product of its digits is 36000, while the sum is 33.

The square root of 523526145 is about 22880.6937176302. The cubic root of 523526145 is about 805.9587075825.

The spelling of 523526145 in words is "five hundred twenty-three million, five hundred twenty-six thousand, one hundred forty-five".