143845416 has 128 divisors (see below), whose sum is σ = 469526400. Its totient is φ = 40227840.

The previous prime is 143845411. The next prime is 143845453. The reversal of 143845416 is 614548341.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (143845411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28560 + ... + 33216.

It is an arithmetic number, because the mean of its divisors is an integer number (3668175).

Almost surely, 2^143845416 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 143845416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234763200).

143845416 is an abundant number, since it is smaller than the sum of its proper divisors (325680984).

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

143845416 is a wasteful number, since it uses less digits than its factorization.

143845416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4686 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 143845416 is about 11993.5572704682. The cubic root of 143845416 is about 523.9606539615.

The spelling of 143845416 in words is "one hundred forty-three million, eight hundred forty-five thousand, four hundred sixteen".