145846 has 4 divisors (see below), whose sum is σ = 218772. Its totient is φ = 72922.

The previous prime is 145829. The next prime is 145861. The reversal of 145846 is 648541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 648541 = 199 ⋅3259.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36460 + ... + 36463.

It is an arithmetic number, because the mean of its divisors is an integer number (54693).

2¹⁴⁵⁸⁴⁶ is an apocalyptic number.

145846 is a deficient number, since it is larger than the sum of its proper divisors (72926).

145846 is an equidigital number, since it uses as much as digits as its factorization.

145846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72925.

The product of its digits is 3840, while the sum is 28.

The square root of 145846 is about 381.8978921125. The cubic root of 145846 is about 52.6378538834.

The spelling of 145846 in words is "one hundred forty-five thousand, eight hundred forty-six".