245501051442 has 64 divisors (see below), whose sum is σ = 510983890560. Its totient is φ = 78538521600.

The previous prime is 245501051417. The next prime is 245501051447. The reversal of 245501051442 is 244150105542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245501051447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23939188 + ... + 23949440.

It is an arithmetic number, because the mean of its divisors is an integer number (7984123290).

Almost surely, 2^245501051442 is an apocalyptic number.

245501051442 is an abundant number, since it is smaller than the sum of its proper divisors (265482839118).

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

245501051442 is a wasteful number, since it uses less digits than its factorization.

245501051442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 245501051442 its reverse (244150105542), we get a palindrome (489651156984).

The spelling of 245501051442 in words is "two hundred forty-five billion, five hundred one million, fifty-one thousand, four hundred forty-two".