143401044 has 72 divisors (see below), whose sum is σ = 358731072. Its totient is φ = 44499840.

The previous prime is 143401033. The next prime is 143401061. The reversal of 143401044 is 440104341.

It is a self number, because there is not a number n which added to its sum of digits gives 143401044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510184 + ... + 510464.

It is an arithmetic number, because the mean of its divisors is an integer number (4982376).

Almost surely, 2^143401044 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 143401044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179365536).

143401044 is an abundant number, since it is smaller than the sum of its proper divisors (215330028).

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

143401044 is a wasteful number, since it uses less digits than its factorization.

143401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143401044 is about 11975.0174947680. The cubic root of 143401044 is about 523.4205519051.

Adding to 143401044 its reverse (440104341), we get a palindrome (583505385).

The spelling of 143401044 in words is "one hundred forty-three million, four hundred one thousand, forty-four".