145577023 has 8 divisors (see below), whose sum is σ = 151286400. Its totient is φ = 139931040.

The previous prime is 145577011. The next prime is 145577041. The reversal of 145577023 is 320775541.

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 145577023 - 2¹³ = 145568831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145577023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145577053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11140 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (18910800).

Almost surely, 2^145577023 is an apocalyptic number.

145577023 is a deficient number, since it is larger than the sum of its proper divisors (5709377).

145577023 is a wasteful number, since it uses less digits than its factorization.

145577023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31697.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 145577023 is about 12065.5303654667. The cubic root of 145577023 is about 526.0547478760.

The spelling of 145577023 in words is "one hundred forty-five million, five hundred seventy-seven thousand, twenty-three".