42502064545 has 16 divisors (see below), whose sum is σ = 51466326912. Its totient is φ = 33692565760.

The previous prime is 42502064537. The next prime is 42502064581. The reversal of 42502064545 is 54546020524.

It is a happy number.

It is not a de Polignac number, because 42502064545 - 2³ = 42502064537 is a prime.

It is a Duffinian number.

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, 3532590 + ... + 3544600.

It is an arithmetic number, because the mean of its divisors is an integer number (3216645432).

Almost surely, 2^42502064545 is an apocalyptic number.

It is an amenable number.

42502064545 is a deficient number, since it is larger than the sum of its proper divisors (8964262367).

42502064545 is a wasteful number, since it uses less digits than its factorization.

42502064545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18392.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 42502064545 in words is "forty-two billion, five hundred two million, sixty-four thousand, five hundred forty-five".