145576944 has 120 divisors (see below), whose sum is σ = 424504080. Its totient is φ = 46531584.

The previous prime is 145576931. The next prime is 145576957. The reversal of 145576944 is 449675541.

145576944 is a `hidden beast` number, since 1 + 4 + 557 + 6 + 94 + 4 = 666.

145576944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145576931) and next prime (145576957).

It is a self number, because there is not a number n which added to its sum of digits gives 145576944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474039 + ... + 474345.

It is an arithmetic number, because the mean of its divisors is an integer number (3537534).

Almost surely, 2^145576944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145576944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212252040).

145576944 is an abundant number, since it is smaller than the sum of its proper divisors (278927136).

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

145576944 is a wasteful number, since it uses less digits than its factorization.

145576944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 438 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 145576944 is about 12065.5270916773. The cubic root of 145576944 is about 526.0546527183.

The spelling of 145576944 in words is "one hundred forty-five million, five hundred seventy-six thousand, nine hundred forty-four".