146087 has 4 divisors (see below), whose sum is σ = 146856. Its totient is φ = 145320.

The previous prime is 146077. The next prime is 146093. The reversal of 146087 is 780641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 780641 = 661 ⋅1181.

It is a cyclic number.

It is not a de Polignac number, because 146087 - 2⁶ = 146023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 557.

It is an arithmetic number, because the mean of its divisors is an integer number (36714).

2¹⁴⁶⁰⁸⁷ is an apocalyptic number.

146087 is a deficient number, since it is larger than the sum of its proper divisors (769).

146087 is an equidigital number, since it uses as much as digits as its factorization.

146087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 146087 is about 382.2132912393. The cubic root of 146087 is about 52.6668313477. Note that the first 3 decimals are identical.

The spelling of 146087 in words is "one hundred forty-six thousand, eighty-seven".