145595915 has 8 divisors (see below), whose sum is σ = 175692240. Its totient is φ = 115825312.

The previous prime is 145595903. The next prime is 145595941. The reversal of 145595915 is 519595541.

It is a happy number.

145595915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145595915 - 2⁴ = 145595899 is a prime.

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, 80444 + ... + 82233.

It is an arithmetic number, because the mean of its divisors is an integer number (21961530).

Almost surely, 2^145595915 is an apocalyptic number.

145595915 is a deficient number, since it is larger than the sum of its proper divisors (30096325).

145595915 is a wasteful number, since it uses less digits than its factorization.

145595915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162861.

The product of its digits is 202500, while the sum is 44.

The square root of 145595915 is about 12066.3132314722. The cubic root of 145595915 is about 526.0775028324.

The spelling of 145595915 in words is "one hundred forty-five million, five hundred ninety-five thousand, nine hundred fifteen".