145141644 has 48 divisors (see below), whose sum is σ = 344798720. Its totient is φ = 47511360.

The previous prime is 145141643. The next prime is 145141673. The reversal of 145141644 is 446141541.

145141644 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 (145141643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268014 + ... + 268554.

Almost surely, 2^145141644 is an apocalyptic number.

It is an amenable number.

145141644 is an abundant number, since it is smaller than the sum of its proper divisors (199657076).

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

145141644 is a wasteful number, since it uses less digits than its factorization.

145141644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 145141644 is about 12047.4745901371. The cubic root of 145141644 is about 525.5297980600.

The spelling of 145141644 in words is "one hundred forty-five million, one hundred forty-one thousand, six hundred forty-four".