1443964148 has 18 divisors (see below), whose sum is σ = 2777543538. Its totient is φ = 656347120.

The previous prime is 1443964129. The next prime is 1443964157. The reversal of 1443964148 is 8414693441.

It can be written as a sum of positive squares in only one way, i.e., 1316093284 + 127870864 = 36278^2 + 11308^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1443964099 and 1443964108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1491215 + ... + 1492182.

Almost surely, 2^1443964148 is an apocalyptic number.

It is an amenable number.

1443964148 is a deficient number, since it is larger than the sum of its proper divisors (1333579390).

1443964148 is a wasteful number, since it uses less digits than its factorization.

1443964148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983423 (or 2983410 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 1443964148 is about 37999.5282602298. The cubic root of 1443964148 is about 1130.2785091563.

It can be divided in two parts, 14439 and 64148, that added together give a palindrome (78587).

The spelling of 1443964148 in words is "one billion, four hundred forty-three million, nine hundred sixty-four thousand, one hundred forty-eight".