146987411 has 6 divisors (see below), whose sum is σ = 153656580. Its totient is φ = 140596148.

The previous prime is 146987383. The next prime is 146987441. The reversal of 146987411 is 114789641.

It is a de Polignac number, because none of the positive numbers 2^k-146987411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146987441) 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 5 ways as a sum of consecutive naturals, for example, 138401 + ... + 139458.

It is an arithmetic number, because the mean of its divisors is an integer number (25609430).

Almost surely, 2^146987411 is an apocalyptic number.

146987411 is a deficient number, since it is larger than the sum of its proper divisors (6669169).

146987411 is an equidigital number, since it uses as much as digits as its factorization.

146987411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277905 (or 277882 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 146987411 is about 12123.8364802566. The cubic root of 146987411 is about 527.7481425757.

The spelling of 146987411 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, four hundred eleven".