143740645400 has 192 divisors, whose sum is σ = 374271982560. Its totient is φ = 50885120000.

The previous prime is 143740645381. The next prime is 143740645421. The reversal of 143740645400 is 4546047341.

It is a super-2 number, since 2×143740645400² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50239970 + ... + 50242830.

Almost surely, 2^143740645400 is an apocalyptic number.

143740645400 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 143740645400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187135991280).

143740645400 is an abundant number, since it is smaller than the sum of its proper divisors (230531337160).

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

143740645400 is a wasteful number, since it uses less digits than its factorization.

143740645400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 143740645400 in words is "one hundred forty-three billion, seven hundred forty million, six hundred forty-five thousand, four hundred".