143887380 has 288 divisors, whose sum is σ = 530498304. Its totient is φ = 28366848.

The previous prime is 143887343. The next prime is 143887411. The reversal of 143887380 is 83788341.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1971024 + ... + 1971096.

It is an arithmetic number, because the mean of its divisors is an integer number (1842008).

Almost surely, 2^143887380 is an apocalyptic number.

143887380 is a gapful number since it is divisible by the number (10) 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 143887380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265249152).

143887380 is an abundant number, since it is smaller than the sum of its proper divisors (386610924).

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

143887380 is a wasteful number, since it uses less digits than its factorization.

143887380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 143887380 is about 11995.3065821595. The cubic root of 143887380 is about 524.0116006600.

The spelling of 143887380 in words is "one hundred forty-three million, eight hundred eighty-seven thousand, three hundred eighty".