145280064 has 28 divisors (see below), whose sum is σ = 384387344. Its totient is φ = 48426624.

The previous prime is 145280039. The next prime is 145280071. The reversal of 145280064 is 460082541.

It is a super-2 number, since 2×145280064² = 42212593991688192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378142 + ... + 378525.

Almost surely, 2^145280064 is an apocalyptic number.

It is an amenable number.

145280064 is an abundant number, since it is smaller than the sum of its proper divisors (239107280).

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

145280064 is an equidigital number, since it uses as much as digits as its factorization.

145280064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756682 (or 756672 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 145280064 is about 12053.2179935484. The cubic root of 145280064 is about 525.6968089878.

The spelling of 145280064 in words is "one hundred forty-five million, two hundred eighty thousand, sixty-four".