146987 has 2 divisors, whose sum is σ = 146988. Its totient is φ = 146986.

The previous prime is 146983. The next prime is 146989. The reversal of 146987 is 789641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146987 - 2² = 146983 is a prime.

Together with 146989, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146987.

It is not a weakly prime, because it can be changed into another prime (146983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73493 + 73494.

It is an arithmetic number, because the mean of its divisors is an integer number (73494).

2¹⁴⁶⁹⁸⁷ is an apocalyptic number.

146987 is a deficient number, since it is larger than the sum of its proper divisors (1).

146987 is an equidigital number, since it uses as much as digits as its factorization.

146987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 146987 is about 383.3888365615. The cubic root of 146987 is about 52.7747650686.

The spelling of 146987 in words is "one hundred forty-six thousand, nine hundred eighty-seven".