33145454037 has 4 divisors (see below), whose sum is σ = 44193938720. Its totient is φ = 22096969356.

The previous prime is 33145454009. The next prime is 33145454053. The reversal of 33145454037 is 73045454133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-33145454037 is a prime.

It is a super-2 number, since 2×33145454037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33145453986 and 33145454004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145454087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524242337 + ... + 5524242342.

It is an arithmetic number, because the mean of its divisors is an integer number (11048484680).

Almost surely, 2^33145454037 is an apocalyptic number.

It is an amenable number.

33145454037 is a deficient number, since it is larger than the sum of its proper divisors (11048484683).

33145454037 is a wasteful number, since it uses less digits than its factorization.

33145454037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048484682.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 33145454037 in words is "thirty-three billion, one hundred forty-five million, four hundred fifty-four thousand, thirty-seven".