145228460 has 36 divisors (see below), whose sum is σ = 330252048. Its totient is φ = 53621568.

The previous prime is 145228453. The next prime is 145228477. The reversal of 145228460 is 64822541.

145228460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18104 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (9173668).

Almost surely, 2^145228460 is an apocalyptic number.

145228460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145228460 is an abundant number, since it is smaller than the sum of its proper divisors (185023588).

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

145228460 is a wasteful number, since it uses less digits than its factorization.

145228460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43002 (or 42987 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 145228460 is about 12051.0771302818. The cubic root of 145228460 is about 525.6345584858.

The spelling of 145228460 in words is "one hundred forty-five million, two hundred twenty-eight thousand, four hundred sixty".