143101920 has 384 divisors, whose sum is σ = 548674560. Its totient is φ = 30965760.

The previous prime is 143101919. The next prime is 143101927. The reversal of 143101920 is 29101341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143101927) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2015485 + ... + 2015555.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^143101920 is an apocalyptic number.

143101920 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 143101920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274337280).

143101920 is an abundant number, since it is smaller than the sum of its proper divisors (405572640).

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

143101920 is a wasteful number, since it uses less digits than its factorization.

143101920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 143101920 is about 11962.5214733350. The cubic root of 143101920 is about 523.0563596743.

The spelling of 143101920 in words is "one hundred forty-three million, one hundred one thousand, nine hundred twenty".