245554055435242 has 4 divisors (see below), whose sum is σ = 368331083152866. Its totient is φ = 122777027717620.

The previous prime is 245554055435231. The next prime is 245554055435267. The reversal of 245554055435242 is 242534550455542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141019401275281 + 104534654159961 = 11875159^2 + 10224219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61388513858809 + ... + 61388513858812.

Almost surely, 2^{245554055435242} is an apocalyptic number.

245554055435242 is a deficient number, since it is larger than the sum of its proper divisors (122777027717624).

245554055435242 is a wasteful number, since it uses less digits than its factorization.

245554055435242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122777027717623.

The product of its (nonzero) digits is 96000000, while the sum is 55.

The spelling of 245554055435242 in words is "two hundred forty-five trillion, five hundred fifty-four billion, fifty-five million, four hundred thirty-five thousand, two hundred forty-two".