140143455332430 has 128 divisors (see below), whose sum is σ = 375465453428736. Its totient is φ = 33183070032000.

The previous prime is 140143455332423. The next prime is 140143455332431. The reversal of 140143455332430 is 34233554341041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143455332431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536918455 + ... + 537179405.

It is an arithmetic number, because the mean of its divisors is an integer number (2933323854912).

Almost surely, 2^{140143455332430} is an apocalyptic number.

140143455332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140143455332430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187732726714368).

140143455332430 is an abundant number, since it is smaller than the sum of its proper divisors (235321998096306).

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

140143455332430 is a wasteful number, since it uses less digits than its factorization.

140143455332430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298862.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 140143455332430 in words is "one hundred forty trillion, one hundred forty-three billion, four hundred fifty-five million, three hundred thirty-two thousand, four hundred thirty".