145655023 has 8 divisors (see below), whose sum is σ = 151642080. Its totient is φ = 139732320.

The previous prime is 145654987. The next prime is 145655039. The reversal of 145655023 is 320556541.

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 145655023 - 2²¹ = 143557871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145655093) 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, 11443 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (18955260).

Almost surely, 2^145655023 is an apocalyptic number.

145655023 is a deficient number, since it is larger than the sum of its proper divisors (5987057).

145655023 is a wasteful number, since it uses less digits than its factorization.

145655023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32177.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 145655023 is about 12068.7622811952. The cubic root of 145655023 is about 526.1486842755.

The spelling of 145655023 in words is "one hundred forty-five million, six hundred fifty-five thousand, twenty-three".