1445888 has 26 divisors (see below), whose sum is σ = 2899614. Its totient is φ = 720896.

The previous prime is 1445887. The next prime is 1445921. The reversal of 1445888 is 8885441.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 262144 = 1088^2 + 512^2 .

It is a plaindrome in base 10.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920 + ... + 4272.

2^1445888 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 1445888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449807).

1445888 is an abundant number, since it is smaller than the sum of its proper divisors (1453726).

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

1445888 is an frugal number, since it uses more digits than its factorization.

1445888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 355 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The square root of 1445888 is about 1202.4508305956. The cubic root of 1445888 is about 113.0780258356.

Subtracting from 1445888 its sum of digits (38), we obtain a triangular number (1445850 = T₁₇₀₀).

Subtracting from 1445888 its product of digits (40960), we obtain a cube (1404928 = 112³).

The spelling of 1445888 in words is "one million, four hundred forty-five thousand, eight hundred eighty-eight".