145916 has 6 divisors (see below), whose sum is σ = 255360. Its totient is φ = 72956.

The previous prime is 145903. The next prime is 145931. The reversal of 145916 is 619541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18236 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (42560).

2¹⁴⁵⁹¹⁶ is an apocalyptic number.

It is an amenable number.

145916 is a deficient number, since it is larger than the sum of its proper divisors (109444).

145916 is a wasteful number, since it uses less digits than its factorization.

145916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36483 (or 36481 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 145916 is about 381.9895286523. The cubic root of 145916 is about 52.6462738617.

The spelling of 145916 in words is "one hundred forty-five thousand, nine hundred sixteen".