145445836 has 24 divisors (see below), whose sum is σ = 279578880. Its totient is φ = 65899152.

The previous prime is 145445827. The next prime is 145445837. The reversal of 145445836 is 638544541.

It is a happy number.

145445836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145445837) 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, 39856 + ... + 43351.

It is an arithmetic number, because the mean of its divisors is an integer number (11649120).

Almost surely, 2^145445836 is an apocalyptic number.

It is an amenable number.

145445836 is a deficient number, since it is larger than the sum of its proper divisors (134133044).

145445836 is a wasteful number, since it uses less digits than its factorization.

145445836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83253 (or 83251 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 145445836 is about 12060.0927027946. The cubic root of 145445836 is about 525.8966819873.

The spelling of 145445836 in words is "one hundred forty-five million, four hundred forty-five thousand, eight hundred thirty-six".