1443145704 has 384 divisors, whose sum is σ = 5033656320. Its totient is φ = 335301120.

The previous prime is 1443145699. The next prime is 1443145729. The reversal of 1443145704 is 4075413441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11363289 + ... + 11363415.

It is an arithmetic number, because the mean of its divisors is an integer number (13108480).

Almost surely, 2^1443145704 is an apocalyptic number.

1443145704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443145704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516828160).

1443145704 is an abundant number, since it is smaller than the sum of its proper divisors (3590510616).

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

1443145704 is a wasteful number, since it uses less digits than its factorization.

1443145704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1443145704 is about 37988.7576001111. The cubic root of 1443145704 is about 1130.0649201744.

The spelling of 1443145704 in words is "one billion, four hundred forty-three million, one hundred forty-five thousand, seven hundred four".