42515430145642 has 16 divisors (see below), whose sum is σ = 70460354820672. Its totient is φ = 19137380320960.

The previous prime is 42515430145631. The next prime is 42515430145709. The reversal of 42515430145642 is 24654103451524.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 42515430145592 and 42515430145601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27183778084 + ... + 27183779647.

It is an arithmetic number, because the mean of its divisors is an integer number (4403772176292).

Almost surely, 2^{42515430145642} is an apocalyptic number.

42515430145642 is a deficient number, since it is larger than the sum of its proper divisors (27944924675030).

42515430145642 is a wasteful number, since it uses less digits than its factorization.

42515430145642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54367557773.

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 42515430145642 in words is "forty-two trillion, five hundred fifteen billion, four hundred thirty million, one hundred forty-five thousand, six hundred forty-two".