144621401430 has 64 divisors (see below), whose sum is σ = 380270412288. Its totient is φ = 34909244160.

The previous prime is 144621401423. The next prime is 144621401461. The reversal of 144621401430 is 34104126441.

144621401430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863554 + ... + 1017333.

It is an arithmetic number, because the mean of its divisors is an integer number (5941725192).

Almost surely, 2^144621401430 is an apocalyptic number.

144621401430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144621401430 is an abundant number, since it is smaller than the sum of its proper divisors (235649010858).

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

144621401430 is a wasteful number, since it uses less digits than its factorization.

144621401430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881141.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 144621401430 its reverse (34104126441), we get a palindrome (178725527871).

The spelling of 144621401430 in words is "one hundred forty-four billion, six hundred twenty-one million, four hundred one thousand, four hundred thirty".