143494474112640 has 2560 divisors, whose sum is σ = 607818816000000. Its totient is φ = 32243628662784.

The previous prime is 143494474112629. The next prime is 143494474112663. The reversal of 143494474112640 is 46211474494341.

143494474112640 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 9 + 4 + 474 + 1 + 126 + 40 = 666.

It is a super-2 number, since 2×143494474112640² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 378613387971 + ... + 378613388349.

It is an arithmetic number, because the mean of its divisors is an integer number (237429225000).

Almost surely, 2^{143494474112640} is an apocalyptic number.

143494474112640 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 143494474112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303909408000000).

143494474112640 is an abundant number, since it is smaller than the sum of its proper divisors (464324341887360).

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

143494474112640 is a wasteful number, since it uses less digits than its factorization.

143494474112640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 143494474112640 in words is "one hundred forty-three trillion, four hundred ninety-four billion, four hundred seventy-four million, one hundred twelve thousand, six hundred forty".