147240893 has 8 divisors (see below), whose sum is σ = 157026240. Its totient is φ = 137580480.

The previous prime is 147240857. The next prime is 147240923. The reversal of 147240893 is 398042741.

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 147240893 - 2¹⁴ = 147224509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147240803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28793 + ... + 33518.

It is an arithmetic number, because the mean of its divisors is an integer number (19628280).

Almost surely, 2^147240893 is an apocalyptic number.

It is an amenable number.

147240893 is a deficient number, since it is larger than the sum of its proper divisors (9785347).

147240893 is a wasteful number, since it uses less digits than its factorization.

147240893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62467.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 147240893 is about 12134.2858463117. The cubic root of 147240893 is about 528.0513382225.

The spelling of 147240893 in words is "one hundred forty-seven million, two hundred forty thousand, eight hundred ninety-three".