143920994460 has 192 divisors, whose sum is σ = 416179814400. Its totient is φ = 37147219200.

The previous prime is 143920994387. The next prime is 143920994473. The reversal of 143920994460 is 64499029341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64278021 + ... + 64280259.

It is an arithmetic number, because the mean of its divisors is an integer number (2167603200).

Almost surely, 2^143920994460 is an apocalyptic number.

143920994460 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 143920994460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208089907200).

143920994460 is an abundant number, since it is smaller than the sum of its proper divisors (272258819940).

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

143920994460 is a wasteful number, since it uses less digits than its factorization.

143920994460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 143920994460 in words is "one hundred forty-three billion, nine hundred twenty million, nine hundred ninety-four thousand, four hundred sixty".