145815064 has 32 divisors (see below), whose sum is σ = 283187520. Its totient is φ = 70340256.

The previous prime is 145815053. The next prime is 145815079. The reversal of 145815064 is 460518541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25999 + ... + 31105.

It is an arithmetic number, because the mean of its divisors is an integer number (8849610).

Almost surely, 2^145815064 is an apocalyptic number.

It is an amenable number.

145815064 is a deficient number, since it is larger than the sum of its proper divisors (137372456).

145815064 is a wasteful number, since it uses less digits than its factorization.

145815064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239 (or 5235 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 145815064 is about 12075.3908425359. The cubic root of 145815064 is about 526.3413187575.

The spelling of 145815064 in words is "one hundred forty-five million, eight hundred fifteen thousand, sixty-four".