147989773 has 8 divisors (see below), whose sum is σ = 150292800. Its totient is φ = 145692960.

The previous prime is 147989767. The next prime is 147989791. The reversal of 147989773 is 377989741.

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 147989773 - 2¹⁷ = 147858701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147980773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73486 + ... + 75472.

It is an arithmetic number, because the mean of its divisors is an integer number (18786600).

Almost surely, 2^147989773 is an apocalyptic number.

It is an amenable number.

147989773 is a deficient number, since it is larger than the sum of its proper divisors (2303027).

147989773 is a wasteful number, since it uses less digits than its factorization.

147989773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107.

The product of its digits is 2667168, while the sum is 55.

The square root of 147989773 is about 12165.1047262241. The cubic root of 147989773 is about 528.9450631019.

The spelling of 147989773 in words is "one hundred forty-seven million, nine hundred eighty-nine thousand, seven hundred seventy-three".