245023771 has 8 divisors (see below), whose sum is σ = 259632864. Its totient is φ = 230436480.

The previous prime is 245023739. The next prime is 245023781. The reversal of 245023771 is 177320542.

245023771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245023771 - 2⁵ = 245023739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245023711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21561 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (32454108).

Almost surely, 2^245023771 is an apocalyptic number.

245023771 is a deficient number, since it is larger than the sum of its proper divisors (14609093).

245023771 is a wasteful number, since it uses less digits than its factorization.

245023771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 245023771 is about 15653.2351608222. The cubic root of 245023771 is about 625.7527110378.

The spelling of 245023771 in words is "two hundred forty-five million, twenty-three thousand, seven hundred seventy-one".