245120431154 has 8 divisors (see below), whose sum is σ = 368386369308. Its totient is φ = 122324974720.

The previous prime is 245120431151. The next prime is 245120431159. The reversal of 245120431154 is 451134021542.

It can be written as a sum of positive squares in 2 ways, for example, as 206538436225 + 38581994929 = 454465^2 + 196423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245120431154.

It is not an unprimeable number, because it can be changed into a prime (245120431151) 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, 117619127 + ... + 117621210.

Almost surely, 2^245120431154 is an apocalyptic number.

245120431154 is a deficient number, since it is larger than the sum of its proper divisors (123265938154).

245120431154 is a wasteful number, since it uses less digits than its factorization.

245120431154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235240860.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 245120431154 its reverse (451134021542), we get a palindrome (696254452696).

The spelling of 245120431154 in words is "two hundred forty-five billion, one hundred twenty million, four hundred thirty-one thousand, one hundred fifty-four".