145244548 has 24 divisors (see below), whose sum is σ = 266837760. Its totient is φ = 69084960.

The previous prime is 145244537. The next prime is 145244587. The reversal of 145244548 is 845442541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611 + ... + 17242.

It is an arithmetic number, because the mean of its divisors is an integer number (11118240).

Almost surely, 2^145244548 is an apocalyptic number.

It is an amenable number.

145244548 is a deficient number, since it is larger than the sum of its proper divisors (121593212).

145244548 is a wasteful number, since it uses less digits than its factorization.

145244548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19947 (or 19945 counting only the distinct ones).

The product of its digits is 102400, while the sum is 37.

The square root of 145244548 is about 12051.7446039982. The cubic root of 145244548 is about 525.6539672081.

The spelling of 145244548 in words is "one hundred forty-five million, two hundred forty-four thousand, five hundred forty-eight".