145644912 has 80 divisors (see below), whose sum is σ = 477786880. Its totient is φ = 41611968.

The previous prime is 145644893. The next prime is 145644923. The reversal of 145644912 is 219446541.

145644912 is a `hidden beast` number, since 1 + 4 + 5 + 644 + 9 + 1 + 2 = 666.

145644912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21058 + ... + 27105.

It is an arithmetic number, because the mean of its divisors is an integer number (5972336).

Almost surely, 2^145644912 is an apocalyptic number.

145644912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145644912 is an abundant number, since it is smaller than the sum of its proper divisors (332141968).

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

145644912 is a wasteful number, since it uses less digits than its factorization.

145644912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48187 (or 48175 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 145644912 is about 12068.3433825857. The cubic root of 145644912 is about 526.1365093608.

The spelling of 145644912 in words is "one hundred forty-five million, six hundred forty-four thousand, nine hundred twelve".