147183993 has 16 divisors (see below), whose sum is σ = 237873600. Its totient is φ = 89202240.

The previous prime is 147183991. The next prime is 147183997. The reversal of 147183993 is 399381741.

It is not a de Polignac number, because 147183993 - 2¹ = 147183991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147183991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247488 + ... + 248081.

It is an arithmetic number, because the mean of its divisors is an integer number (14867100).

Almost surely, 2^147183993 is an apocalyptic number.

It is an amenable number.

147183993 is a deficient number, since it is larger than the sum of its proper divisors (90689607).

147183993 is a wasteful number, since it uses less digits than its factorization.

147183993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495589 (or 495583 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 147183993 is about 12131.9410235955. The cubic root of 147183993 is about 527.9833091315.

The spelling of 147183993 in words is "one hundred forty-seven million, one hundred eighty-three thousand, nine hundred ninety-three".