145055244 has 24 divisors (see below), whose sum is σ = 347610928. Its totient is φ = 47044800.

The previous prime is 145055243. The next prime is 145055269. The reversal of 145055244 is 442550541.

It is not an unprimeable number, because it can be changed into a prime (145055243) 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, 162907 + ... + 163794.

Almost surely, 2^145055244 is an apocalyptic number.

It is an amenable number.

145055244 is an abundant number, since it is smaller than the sum of its proper divisors (202555684).

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

145055244 is a wasteful number, since it uses less digits than its factorization.

145055244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326745 (or 326743 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 145055244 is about 12043.8882425901. Note that the first 3 decimals coincide. The cubic root of 145055244 is about 525.4254981361.

The spelling of 145055244 in words is "one hundred forty-five million, fifty-five thousand, two hundred forty-four".