245342131140 has 48 divisors (see below), whose sum is σ = 716825708928. Its totient is φ = 62580021504.

The previous prime is 245342131127. The next prime is 245342131141. The reversal of 245342131140 is 41131243542.

It is a super-2 number, since 2×245342131140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 245342131098 and 245342131107.

It is not an unprimeable number, because it can be changed into a prime (245342131141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88890697 + ... + 88893456.

It is an arithmetic number, because the mean of its divisors is an integer number (14933868936).

Almost surely, 2^245342131140 is an apocalyptic number.

245342131140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245342131140 is an abundant number, since it is smaller than the sum of its proper divisors (471483577788).

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

245342131140 is a wasteful number, since it uses less digits than its factorization.

245342131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177784188 (or 177784186 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 245342131140 its reverse (41131243542), we get a palindrome (286473374682).

The spelling of 245342131140 in words is "two hundred forty-five billion, three hundred forty-two million, one hundred thirty-one thousand, one hundred forty".