1945144 has 32 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 902880.

The previous prime is 1945129. The next prime is 1945169. The reversal of 1945144 is 4415491.

It is a congruent number.

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, 10089 + ... + 10279.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2^1945144 is an apocalyptic number.

It is an amenable number.

1945144 is an abundant number, since it is smaller than the sum of its proper divisors (1971656).

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

1945144 is a wasteful number, since it uses less digits than its factorization.

1945144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1945144 is about 1394.6841936439. The cubic root of 1945144 is about 124.8295062274.

The spelling of 1945144 in words is "one million, nine hundred forty-five thousand, one hundred forty-four".