146982487 has 4 divisors (see below), whose sum is σ = 147059776. Its totient is φ = 146905200.

The previous prime is 146982457. The next prime is 146982491. The reversal of 146982487 is 784289641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784289641 = 9661 ⋅81181.

It is a cyclic number.

It is not a de Polignac number, because 146982487 - 2⁷ = 146982359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146982487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146982457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35718 + ... + 39619.

It is an arithmetic number, because the mean of its divisors is an integer number (36764944).

Almost surely, 2^146982487 is an apocalyptic number.

146982487 is a deficient number, since it is larger than the sum of its proper divisors (77289).

146982487 is an equidigital number, since it uses as much as digits as its factorization.

146982487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77288.

The product of its digits is 774144, while the sum is 49.

The square root of 146982487 is about 12123.6334075227. The cubic root of 146982487 is about 527.7422494159.

The spelling of 146982487 in words is "one hundred forty-six million, nine hundred eighty-two thousand, four hundred eighty-seven".