245311225154 has 4 divisors (see below), whose sum is σ = 367966837734. Its totient is φ = 122655612576.

The previous prime is 245311225121. The next prime is 245311225157. The reversal of 245311225154 is 451522113542.

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

It can be written as a sum of positive squares in only one way, i.e., 242354367025 + 2956858129 = 492295^2 + 54377^2 .

It is not an unprimeable number, because it can be changed into a prime (245311225157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61327806287 + ... + 61327806290.

Almost surely, 2^245311225154 is an apocalyptic number.

245311225154 is a deficient number, since it is larger than the sum of its proper divisors (122655612580).

245311225154 is a wasteful number, since it uses less digits than its factorization.

245311225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122655612579.

The product of its digits is 48000, while the sum is 35.

Adding to 245311225154 its reverse (451522113542), we get a palindrome (696833338696).

The spelling of 245311225154 in words is "two hundred forty-five billion, three hundred eleven million, two hundred twenty-five thousand, one hundred fifty-four".