145663788 has 12 divisors (see below), whose sum is σ = 339882200. Its totient is φ = 48554592.

The previous prime is 145663759. The next prime is 145663789. The reversal of 145663788 is 887366541.

145663788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (145663789) 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, 6069313 + ... + 6069336.

Almost surely, 2^145663788 is an apocalyptic number.

It is an amenable number.

145663788 is an abundant number, since it is smaller than the sum of its proper divisors (194218412).

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

145663788 is a wasteful number, since it uses less digits than its factorization.

145663788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138656 (or 12138654 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 145663788 is about 12069.1254032759. The cubic root of 145663788 is about 526.1592379812.

The spelling of 145663788 in words is "one hundred forty-five million, six hundred sixty-three thousand, seven hundred eighty-eight".