245461234156 has 24 divisors (see below), whose sum is σ = 471824801280. Its totient is φ = 111215844432.

The previous prime is 245461234141. The next prime is 245461234163. The reversal of 245461234156 is 651432164542.

It is a super-2 number, since 2×245461234156² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 70210276 + ... + 70213771.

It is an arithmetic number, because the mean of its divisors is an integer number (19659366720).

Almost surely, 2^245461234156 is an apocalyptic number.

It is an amenable number.

245461234156 is a deficient number, since it is larger than the sum of its proper divisors (226363567124).

245461234156 is a wasteful number, since it uses less digits than its factorization.

245461234156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140424093 (or 140424091 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

Adding to 245461234156 its reverse (651432164542), we get a palindrome (896893398698).

The spelling of 245461234156 in words is "two hundred forty-five billion, four hundred sixty-one million, two hundred thirty-four thousand, one hundred fifty-six".