245240544154 has 16 divisors (see below), whose sum is σ = 389510081856. Its totient is φ = 115404235200.

The previous prime is 245240544149. The next prime is 245240544161. The reversal of 245240544154 is 451445042542.

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, 1662259 + ... + 1803769.

It is an arithmetic number, because the mean of its divisors is an integer number (24344380116).

Almost surely, 2^245240544154 is an apocalyptic number.

245240544154 is a deficient number, since it is larger than the sum of its proper divisors (144269537702).

245240544154 is a wasteful number, since it uses less digits than its factorization.

245240544154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192501.

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 245240544154 its reverse (451445042542), we get a palindrome (696685586696).

The spelling of 245240544154 in words is "two hundred forty-five billion, two hundred forty million, five hundred forty-four thousand, one hundred fifty-four".