33157645 has 8 divisors (see below), whose sum is σ = 39859200. Its totient is φ = 26479440.

The previous prime is 33157627. The next prime is 33157669. The reversal of 33157645 is 54675133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33157645 - 2⁵ = 33157613 is a prime.

It is a super-3 number, since 3×33157645³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33157645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541 + ... + 8530.

It is an arithmetic number, because the mean of its divisors is an integer number (4982400).

Almost surely, 2^33157645 is an apocalyptic number.

It is an amenable number.

33157645 is a deficient number, since it is larger than the sum of its proper divisors (6701555).

33157645 is a wasteful number, since it uses less digits than its factorization.

33157645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675.

The product of its digits is 37800, while the sum is 34.

The square root of 33157645 is about 5758.2675345975. The cubic root of 33157645 is about 321.2633811744.

The spelling of 33157645 in words is "thirty-three million, one hundred fifty-seven thousand, six hundred forty-five".