145996 has 24 divisors (see below), whose sum is σ = 287280. Its totient is φ = 64512.

The previous prime is 145991. The next prime is 146009. The reversal of 145996 is 699541.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (145991) by changing a digit.

145996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (11970).

2¹⁴⁵⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

145996 is a deficient number, since it is larger than the sum of its proper divisors (141284).

145996 is a wasteful number, since it uses less digits than its factorization.

145996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 151 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 145996 is about 382.0942292158. The cubic root of 145996 is about 52.6558933972.

The spelling of 145996 in words is "one hundred forty-five thousand, nine hundred ninety-six".