145430422720 has 168 divisors, whose sum is σ = 387838169712. Its totient is φ = 51885250560.

The previous prime is 145430422693. The next prime is 145430422747. The reversal of 145430422720 is 27224034541.

It is an interprime number because it is at equal distance from previous prime (145430422693) and next prime (145430422747).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016727 + ... + 2087593.

It is an arithmetic number, because the mean of its divisors is an integer number (2308560534).

Almost surely, 2^145430422720 is an apocalyptic number.

145430422720 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 145430422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193919084856).

145430422720 is an abundant number, since it is smaller than the sum of its proper divisors (242407746992).

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

145430422720 is a wasteful number, since it uses less digits than its factorization.

145430422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70959 (or 70938 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 145430422720 in words is "one hundred forty-five billion, four hundred thirty million, four hundred twenty-two thousand, seven hundred twenty".