72045136063345 has 16 divisors (see below), whose sum is σ = 87657994428480. Its totient is φ = 56838101800000.

The previous prime is 72045136063321. The next prime is 72045136063357. The reversal of 72045136063345 is 54336063154027.

It is not a de Polignac number, because 72045136063345 - 2⁴⁵ = 36860763974513 is a prime.

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, 284063755 + ... + 284317264.

It is an arithmetic number, because the mean of its divisors is an integer number (5478624651780).

Almost surely, 2^{72045136063345} is an apocalyptic number.

It is an amenable number.

72045136063345 is a deficient number, since it is larger than the sum of its proper divisors (15612858365135).

72045136063345 is a wasteful number, since it uses less digits than its factorization.

72045136063345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568381376.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 72045136063345 in words is "seventy-two trillion, forty-five billion, one hundred thirty-six million, sixty-three thousand, three hundred forty-five".