245442147756 has 24 divisors (see below), whose sum is σ = 616752063984. Its totient is φ = 75520660800.

The previous prime is 245442147751. The next prime is 245442147781. The reversal of 245442147756 is 657741244542.

It is a junction number, because it is equal to n+sod(n) for n = 245442147699 and 245442147708.

It is not an unprimeable number, because it can be changed into a prime (245442147751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786673395 + ... + 786673706.

It is an arithmetic number, because the mean of its divisors is an integer number (25698002666).

Almost surely, 2^245442147756 is an apocalyptic number.

245442147756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245442147756 is an abundant number, since it is smaller than the sum of its proper divisors (371309916228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245442147756 is a wasteful number, since it uses less digits than its factorization.

245442147756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573347121 (or 1573347119 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 51.

The spelling of 245442147756 in words is "two hundred forty-five billion, four hundred forty-two million, one hundred forty-seven thousand, seven hundred fifty-six".