33125315145 has 32 divisors (see below), whose sum is σ = 57092418432. Its totient is φ = 16303575552.

The previous prime is 33125315137. The next prime is 33125315149. The reversal of 33125315145 is 54151352133.

It is not a de Polignac number, because 33125315145 - 2³ = 33125315137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33125315149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802174 + ... + 842456.

It is an arithmetic number, because the mean of its divisors is an integer number (1784138076).

Almost surely, 2^33125315145 is an apocalyptic number.

It is an amenable number.

33125315145 is a deficient number, since it is larger than the sum of its proper divisors (23967103287).

33125315145 is a wasteful number, since it uses less digits than its factorization.

33125315145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44521.

The product of its digits is 27000, while the sum is 33.

Adding to 33125315145 its reverse (54151352133), we get a palindrome (87276667278).

The spelling of 33125315145 in words is "thirty-three billion, one hundred twenty-five million, three hundred fifteen thousand, one hundred forty-five".