145719023 has 8 divisors (see below), whose sum is σ = 148612128. Its totient is φ = 142850304.

The previous prime is 145718983. The next prime is 145719047. The reversal of 145719023 is 320917541.

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 145719023 - 2¹² = 145714927 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 (145719073) 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, 6215 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (18576516).

Almost surely, 2^145719023 is an apocalyptic number.

145719023 is a deficient number, since it is larger than the sum of its proper divisors (2893105).

145719023 is a wasteful number, since it uses less digits than its factorization.

145719023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 145719023 is about 12071.4134632196. The cubic root of 145719023 is about 526.2257352515.

The spelling of 145719023 in words is "one hundred forty-five million, seven hundred nineteen thousand, twenty-three".