145133320 has 32 divisors (see below), whose sum is σ = 337086720. Its totient is φ = 56180160.

The previous prime is 145133309. The next prime is 145133347. The reversal of 145133320 is 23331541.

It is a junction number, because it is equal to n+sod(n) for n = 145133291 and 145133300.

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, 57282 + ... + 59761.

It is an arithmetic number, because the mean of its divisors is an integer number (10533960).

Almost surely, 2^145133320 is an apocalyptic number.

145133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145133320 is an abundant number, since it is smaller than the sum of its proper divisors (191953400).

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

145133320 is a wasteful number, since it uses less digits than its factorization.

145133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117085 (or 117081 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 145133320 is about 12047.1291185909. The cubic root of 145133320 is about 525.5197513370.

Adding to 145133320 its reverse (23331541), we get a palindrome (168464861).

The spelling of 145133320 in words is "one hundred forty-five million, one hundred thirty-three thousand, three hundred twenty".