146987745 has 8 divisors (see below), whose sum is σ = 235180416. Its totient is φ = 78393456.

The previous prime is 146987681. The next prime is 146987759. The reversal of 146987745 is 547789641.

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

It is not a de Polignac number, because 146987745 - 2⁶ = 146987681 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4899577 + ... + 4899606.

It is an arithmetic number, because the mean of its divisors is an integer number (29397552).

Almost surely, 2^146987745 is an apocalyptic number.

146987745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146987745 is a deficient number, since it is larger than the sum of its proper divisors (88192671).

146987745 is an equidigital number, since it uses as much as digits as its factorization.

146987745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799191.

The product of its digits is 1693440, while the sum is 51.

The square root of 146987745 is about 12123.8502547664. The cubic root of 146987745 is about 527.7485423100.

The spelling of 146987745 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, seven hundred forty-five".