245225234451 has 32 divisors (see below), whose sum is σ = 336118712832. Its totient is φ = 158978661120.

The previous prime is 245225234393. The next prime is 245225234461. The reversal of 245225234451 is 154432522542.

It is not a de Polignac number, because 245225234451 - 2⁷ = 245225234323 is a prime.

It is a super-2 number, since 2×245225234451² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245225234461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9129621 + ... + 9156441.

It is an arithmetic number, because the mean of its divisors is an integer number (10503709776).

Almost surely, 2^245225234451 is an apocalyptic number.

245225234451 is a deficient number, since it is larger than the sum of its proper divisors (90893478381).

245225234451 is a wasteful number, since it uses less digits than its factorization.

245225234451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27483.

The product of its digits is 384000, while the sum is 39.

Adding to 245225234451 its reverse (154432522542), we get a palindrome (399657756993).

The spelling of 245225234451 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred thirty-four thousand, four hundred fifty-one".