245045523 has 4 divisors (see below), whose sum is σ = 326727368. Its totient is φ = 163363680.

The previous prime is 245045503. The next prime is 245045539. The reversal of 245045523 is 325540542.

245045523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245045523 - 2⁵ = 245045491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245045503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40840918 + ... + 40840923.

It is an arithmetic number, because the mean of its divisors is an integer number (81681842).

Almost surely, 2^245045523 is an apocalyptic number.

245045523 is a deficient number, since it is larger than the sum of its proper divisors (81681845).

245045523 is an equidigital number, since it uses as much as digits as its factorization.

245045523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81681844.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 245045523 is about 15653.9299538487. The cubic root of 245045523 is about 625.7712275681.

The spelling of 245045523 in words is "two hundred forty-five million, forty-five thousand, five hundred twenty-three".