33340510145 has 4 divisors (see below), whose sum is σ = 40008612180. Its totient is φ = 26672408112.

The previous prime is 33340510139. The next prime is 33340510157. The reversal of 33340510145 is 54101504333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54101504333 = 157 ⋅344595569.

It can be written as a sum of positive squares in 2 ways, for example, as 22645434256 + 10695075889 = 150484^2 + 103417^2 .

It is a cyclic number.

It is not a de Polignac number, because 33340510145 - 2¹⁴ = 33340493761 is a prime.

It is a super-2 number, since 2×33340510145² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334051010 + ... + 3334051019.

It is an arithmetic number, because the mean of its divisors is an integer number (10002153045).

Almost surely, 2^33340510145 is an apocalyptic number.

It is an amenable number.

33340510145 is a deficient number, since it is larger than the sum of its proper divisors (6668102035).

33340510145 is an equidigital number, since it uses as much as digits as its factorization.

33340510145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668102034.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 33340510145 in words is "thirty-three billion, three hundred forty million, five hundred ten thousand, one hundred forty-five".