145026320 has 40 divisors (see below), whose sum is σ = 357024024. Its totient is φ = 54597632.

The previous prime is 145026313. The next prime is 145026367. The reversal of 145026320 is 23620541.

It can be written as a sum of positive squares in 4 ways, for example, as 75203584 + 69822736 = 8672^2 + 8356^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51959 + ... + 54678.

Almost surely, 2^145026320 is an apocalyptic number.

145026320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145026320 is an abundant number, since it is smaller than the sum of its proper divisors (211997704).

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

145026320 is a wasteful number, since it uses less digits than its factorization.

145026320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106667 (or 106661 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 145026320 is about 12042.6874077176. The cubic root of 145026320 is about 525.3905725521.

Adding to 145026320 its reverse (23620541), we get a palindrome (168646861).

The spelling of 145026320 in words is "one hundred forty-five million, twenty-six thousand, three hundred twenty".