245271123042 has 16 divisors (see below), whose sum is σ = 535136995872. Its totient is φ = 74324582720.

The previous prime is 245271123029. The next prime is 245271123049. The reversal of 245271123042 is 240321172542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 245271122994 and 245271123012.

It is not an unprimeable number, because it can be changed into a prime (245271123049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858114503 + ... + 1858114634.

It is an arithmetic number, because the mean of its divisors is an integer number (33446062242).

Almost surely, 2^245271123042 is an apocalyptic number.

245271123042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245271123042 is an abundant number, since it is smaller than the sum of its proper divisors (289865872830).

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

245271123042 is a wasteful number, since it uses less digits than its factorization.

245271123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716229153.

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 245271123042 its reverse (240321172542), we get a palindrome (485592295584).

The spelling of 245271123042 in words is "two hundred forty-five billion, two hundred seventy-one million, one hundred twenty-three thousand, forty-two".