245450515342 has 4 divisors (see below), whose sum is σ = 368175773016. Its totient is φ = 122725257670.

The previous prime is 245450515339. The next prime is 245450515361. The reversal of 245450515342 is 243515054542.

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

It is a junction number, because it is equal to n+sod(n) for n = 245450515295 and 245450515304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61362628834 + ... + 61362628837.

It is an arithmetic number, because the mean of its divisors is an integer number (92043943254).

Almost surely, 2^245450515342 is an apocalyptic number.

245450515342 is a deficient number, since it is larger than the sum of its proper divisors (122725257674).

245450515342 is a wasteful number, since it uses less digits than its factorization.

245450515342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122725257673.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 245450515342 its reverse (243515054542), we get a palindrome (488965569884).

The spelling of 245450515342 in words is "two hundred forty-five billion, four hundred fifty million, five hundred fifteen thousand, three hundred forty-two".