145512023 has 8 divisors (see below), whose sum is σ = 148122960. Its totient is φ = 142908480.

The previous prime is 145512019. The next prime is 145512067. The reversal of 145512023 is 320215541.

145512023 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 145512023 - 2² = 145512019 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 145512023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145512223) 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, 51011 + ... + 53787.

It is an arithmetic number, because the mean of its divisors is an integer number (18515370).

Almost surely, 2^145512023 is an apocalyptic number.

145512023 is a deficient number, since it is larger than the sum of its proper divisors (2610937).

145512023 is an equidigital number, since it uses as much as digits as its factorization.

145512023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145512023 is about 12062.8364409039. The cubic root of 145512023 is about 525.9764419083.

Adding to 145512023 its reverse (320215541), we get a palindrome (465727564).

The spelling of 145512023 in words is "one hundred forty-five million, five hundred twelve thousand, twenty-three".