245134405 has 16 divisors (see below), whose sum is σ = 297715968. Its totient is φ = 193752000.

The previous prime is 245134397. The next prime is 245134427. The reversal of 245134405 is 504431542.

245134405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245134405 - 2³ = 245134397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176815 + ... + 178195.

It is an arithmetic number, because the mean of its divisors is an integer number (18607248).

Almost surely, 2^245134405 is an apocalyptic number.

It is an amenable number.

245134405 is a deficient number, since it is larger than the sum of its proper divisors (52581563).

245134405 is a wasteful number, since it uses less digits than its factorization.

245134405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788.

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

The square root of 245134405 is about 15656.7686640635. The cubic root of 245134405 is about 625.8468775591.

Adding to 245134405 its reverse (504431542), we get a palindrome (749565947).

It can be divided in two parts, 2451 and 34405, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 245134405 in words is "two hundred forty-five million, one hundred thirty-four thousand, four hundred five".