146852987 has 4 divisors (see below), whose sum is σ = 155491416. Its totient is φ = 138214560.

The previous prime is 146852969. The next prime is 146853019. The reversal of 146852987 is 789258641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789258641 = 3391 ⋅232751.

It is a cyclic number.

It is not a de Polignac number, because 146852987 - 2²⁶ = 79744123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146852087) 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, 4319189 + ... + 4319222.

It is an arithmetic number, because the mean of its divisors is an integer number (38872854).

Almost surely, 2^146852987 is an apocalyptic number.

146852987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

146852987 is a deficient number, since it is larger than the sum of its proper divisors (8638429).

146852987 is an equidigital number, since it uses as much as digits as its factorization.

146852987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638428.

The product of its digits is 967680, while the sum is 50.

The square root of 146852987 is about 12118.2914224737. The cubic root of 146852987 is about 527.5872134798.

The spelling of 146852987 in words is "one hundred forty-six million, eight hundred fifty-two thousand, nine hundred eighty-seven".