189247153 has 8 divisors (see below), whose sum is σ = 194695488. Its totient is φ = 183868464.

The previous prime is 189247147. The next prime is 189247169. The reversal of 189247153 is 351742981.

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

It is a cyclic number.

It is not a de Polignac number, because 189247153 - 2⁹ = 189246641 is a prime.

It is a super-3 number, since 3×189247153³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189247133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11875 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (24336936).

Almost surely, 2^189247153 is an apocalyptic number.

It is an amenable number.

189247153 is a deficient number, since it is larger than the sum of its proper divisors (5448335).

189247153 is a wasteful number, since it uses less digits than its factorization.

189247153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34823.

The product of its digits is 60480, while the sum is 40.

The square root of 189247153 is about 13756.7130158334. The cubic root of 189247153 is about 574.1293975536.

The spelling of 189247153 in words is "one hundred eighty-nine million, two hundred forty-seven thousand, one hundred fifty-three".