245387155042 has 32 divisors (see below), whose sum is σ = 380815344000. Its totient is φ = 118513545600.

The previous prime is 245387155031. The next prime is 245387155051. The reversal of 245387155042 is 240551783542.

It is a junction number, because it is equal to n+sod(n) for n = 245387154983 and 245387155001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3767509 + ... + 3832087.

It is an arithmetic number, because the mean of its divisors is an integer number (11900479500).

Almost surely, 2^245387155042 is an apocalyptic number.

245387155042 is a deficient number, since it is larger than the sum of its proper divisors (135428188958).

245387155042 is a wasteful number, since it uses less digits than its factorization.

245387155042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65082.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 245387155042 in words is "two hundred forty-five billion, three hundred eighty-seven million, one hundred fifty-five thousand, forty-two".