146981589 has 8 divisors (see below), whose sum is σ = 196832160. Its totient is φ = 97559376.

The previous prime is 146981581. The next prime is 146981591. The reversal of 146981589 is 985189641.

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

It is not a de Polignac number, because 146981589 - 2³ = 146981581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146981581) 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, 106287 + ... + 107660.

It is an arithmetic number, because the mean of its divisors is an integer number (24604020).

Almost surely, 2^146981589 is an apocalyptic number.

It is an amenable number.

146981589 is a deficient number, since it is larger than the sum of its proper divisors (49850571).

146981589 is a wasteful number, since it uses less digits than its factorization.

146981589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214179.

The product of its digits is 622080, while the sum is 51.

The square root of 146981589 is about 12123.5963723641. The cubic root of 146981589 is about 527.7411746541.

The spelling of 146981589 in words is "one hundred forty-six million, nine hundred eighty-one thousand, five hundred eighty-nine".