145930720 has 96 divisors (see below), whose sum is σ = 393216768. Its totient is φ = 50700288.

The previous prime is 145930693. The next prime is 145930721. The reversal of 145930720 is 27039541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145930721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33297 + ... + 37423.

It is an arithmetic number, because the mean of its divisors is an integer number (4096008).

Almost surely, 2^145930720 is an apocalyptic number.

145930720 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 145930720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196608384).

145930720 is an abundant number, since it is smaller than the sum of its proper divisors (247286048).

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

145930720 is a wasteful number, since it uses less digits than its factorization.

145930720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 145930720 is about 12080.1788066237. The cubic root of 145930720 is about 526.4804412011.

The spelling of 145930720 in words is "one hundred forty-five million, nine hundred thirty thousand, seven hundred twenty".