145810720 has 48 divisors (see below), whose sum is σ = 375798528. Its totient is φ = 53021440.

The previous prime is 145810703. The next prime is 145810727. The reversal of 145810720 is 27018541.

It is not an unprimeable number, because it can be changed into a prime (145810727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39664 + ... + 43183.

It is an arithmetic number, because the mean of its divisors is an integer number (7829136).

Almost surely, 2^145810720 is an apocalyptic number.

145810720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145810720 is an abundant number, since it is smaller than the sum of its proper divisors (229987808).

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

145810720 is a wasteful number, since it uses less digits than its factorization.

145810720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82873 (or 82865 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 145810720 is about 12075.2109712419. The cubic root of 145810720 is about 526.3360919326.

The spelling of 145810720 in words is "one hundred forty-five million, eight hundred ten thousand, seven hundred twenty".