145740064 has 24 divisors (see below), whose sum is σ = 287618688. Its totient is φ = 72694080.

The previous prime is 145740059. The next prime is 145740073. The reversal of 145740064 is 460047541.

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, 8509 + ... + 19075.

It is an arithmetic number, because the mean of its divisors is an integer number (11984112).

Almost surely, 2^145740064 is an apocalyptic number.

It is an amenable number.

145740064 is a deficient number, since it is larger than the sum of its proper divisors (141878624).

145740064 is a wasteful number, since it uses less digits than its factorization.

145740064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008 (or 11000 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 145740064 is about 12072.2849535620. The cubic root of 145740064 is about 526.2510620358.

The spelling of 145740064 in words is "one hundred forty-five million, seven hundred forty thousand, sixty-four".