146890 has 16 divisors (see below), whose sum is σ = 272232. Its totient is φ = 57024.

The previous prime is 146857. The next prime is 146891. The reversal of 146890 is 98641.

It can be written as a sum of positive squares in 4 ways, for example, as 143641 + 3249 = 379^2 + 57^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 568.

2¹⁴⁶⁸⁹⁰ is an apocalyptic number.

146890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146890 is a deficient number, since it is larger than the sum of its proper divisors (125342).

146890 is a wasteful number, since it uses less digits than its factorization.

146890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 146890 is about 383.2623122615. The cubic root of 146890 is about 52.7631534324.

The spelling of 146890 in words is "one hundred forty-six thousand, eight hundred ninety".