146486389 has 4 divisors (see below), whose sum is σ = 167413024. Its totient is φ = 125559756.

The previous prime is 146486387. The next prime is 146486443. The reversal of 146486389 is 983684641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 146486389 - 2¹ = 146486387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146486381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463307 + ... + 10463320.

It is an arithmetic number, because the mean of its divisors is an integer number (41853256).

Almost surely, 2^146486389 is an apocalyptic number.

It is an amenable number.

146486389 is a deficient number, since it is larger than the sum of its proper divisors (20926635).

146486389 is an equidigital number, since it uses as much as digits as its factorization.

146486389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926634.

The product of its digits is 995328, while the sum is 49.

The square root of 146486389 is about 12103.1561586224. The cubic root of 146486389 is about 527.1478316936.

The spelling of 146486389 in words is "one hundred forty-six million, four hundred eighty-six thousand, three hundred eighty-nine".