42142645015 has 8 divisors (see below), whose sum is σ = 50656457808. Its totient is φ = 33657260160.

The previous prime is 42142645007. The next prime is 42142645019. The reversal of 42142645015 is 51054624124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42142645015 - 2³ = 42142645007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142645019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103721 + ... + 7109650.

It is an arithmetic number, because the mean of its divisors is an integer number (6332057226).

Almost surely, 2^42142645015 is an apocalyptic number.

42142645015 is a deficient number, since it is larger than the sum of its proper divisors (8513812793).

42142645015 is a wasteful number, since it uses less digits than its factorization.

42142645015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213969.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 42142645015 in words is "forty-two billion, one hundred forty-two million, six hundred forty-five thousand, fifteen".