146889 has 12 divisors (see below), whose sum is σ = 223600. Its totient is φ = 92664.

The previous prime is 146857. The next prime is 146891. The reversal of 146889 is 988641.

It is a happy number.

It is not a de Polignac number, because 146889 - 2⁵ = 146857 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (146819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259 + ... + 600.

2¹⁴⁶⁸⁸⁹ is an apocalyptic number.

146889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146889 is a deficient number, since it is larger than the sum of its proper divisors (76711).

146889 is a wasteful number, since it uses less digits than its factorization.

146889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 881 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 146889 is about 383.2610076697. The cubic root of 146889 is about 52.7630336982.

It can be divided in two parts, 146 and 889, that added together give a triangular number (1035 = T₄₅).

The spelling of 146889 in words is "one hundred forty-six thousand, eight hundred eighty-nine".