145705064 has 24 divisors (see below), whose sum is σ = 277175730. Its totient is φ = 71806560.

The previous prime is 145705061. The next prime is 145705081. The reversal of 145705064 is 460507541.

It can be written as a sum of positive squares in only one way, i.e., 145684900 + 20164 = 12070^2 + 142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145705064.

It is not an unprimeable number, because it can be changed into a prime (145705061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38522 + ... + 42134.

Almost surely, 2^145705064 is an apocalyptic number.

It is an amenable number.

145705064 is a deficient number, since it is larger than the sum of its proper divisors (131470666).

145705064 is an equidigital number, since it uses as much as digits as its factorization.

145705064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 145705064 is about 12070.8352652167. The cubic root of 145705064 is about 526.2089316353.

The spelling of 145705064 in words is "one hundred forty-five million, seven hundred five thousand, sixty-four".