143101840 has 80 divisors (see below), whose sum is σ = 388403712. Its totient is φ = 48010752.

The previous prime is 143101831. The next prime is 143101841. The reversal of 143101840 is 48101341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×143101840² = 40956273222771200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143101841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23602 + ... + 29038.

Almost surely, 2^143101840 is an apocalyptic number.

143101840 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 143101840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194201856).

143101840 is an abundant number, since it is smaller than the sum of its proper divisors (245301872).

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

143101840 is a wasteful number, since it uses less digits than its factorization.

143101840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 143101840 is about 11962.5181295578. The cubic root of 143101840 is about 523.0562622041.

The spelling of 143101840 in words is "one hundred forty-three million, one hundred one thousand, eight hundred forty".