145623065 has 32 divisors (see below), whose sum is σ = 210574080. Its totient is φ = 94558464.

The previous prime is 145623053. The next prime is 145623073. The reversal of 145623065 is 560326541.

It is not a de Polignac number, because 145623065 - 2⁶ = 145623001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52442 + ... + 55148.

It is an arithmetic number, because the mean of its divisors is an integer number (6580440).

Almost surely, 2^145623065 is an apocalyptic number.

It is an amenable number.

145623065 is a deficient number, since it is larger than the sum of its proper divisors (64951015).

145623065 is a wasteful number, since it uses less digits than its factorization.

145623065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145623065 is about 12067.4382119819. The cubic root of 145623065 is about 526.1102009029.

The spelling of 145623065 in words is "one hundred forty-five million, six hundred twenty-three thousand, sixty-five".