33534535145 has 16 divisors (see below), whose sum is σ = 40393935360. Its totient is φ = 26726092800.

The previous prime is 33534535123. The next prime is 33534535157. The reversal of 33534535145 is 54153543533.

It is not a de Polignac number, because 33534535145 - 2¹⁴ = 33534518761 is a prime.

It is a super-2 number, since 2×33534535145² (a number of 22 digits) contains 22 as substring.

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, 2374505 + ... + 2388585.

It is an arithmetic number, because the mean of its divisors is an integer number (2524620960).

Almost surely, 2^33534535145 is an apocalyptic number.

It is an amenable number.

33534535145 is a deficient number, since it is larger than the sum of its proper divisors (6859400215).

33534535145 is a wasteful number, since it uses less digits than its factorization.

33534535145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856.

The product of its digits is 810000, while the sum is 41.

The spelling of 33534535145 in words is "thirty-three billion, five hundred thirty-four million, five hundred thirty-five thousand, one hundred forty-five".