145816 has 16 divisors (see below), whose sum is σ = 298440. Its totient is φ = 66240.

The previous prime is 145807. The next prime is 145819. The reversal of 145816 is 618541.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145819) 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, 741 + ... + 916.

2¹⁴⁵⁸¹⁶ is an apocalyptic number.

It is an amenable number.

145816 is an abundant number, since it is smaller than the sum of its proper divisors (152624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145816 is a wasteful number, since it uses less digits than its factorization.

145816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1670 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 145816 is about 381.8586125780. The cubic root of 145816 is about 52.6342444966.

It can be divided in two parts, 145 and 816, that added together give a square (961 = 31²).

The spelling of 145816 in words is "one hundred forty-five thousand, eight hundred sixteen".