145412503023 has 4 divisors (see below), whose sum is σ = 193883337368. Its totient is φ = 96941668680.

The previous prime is 145412502967. The next prime is 145412503037. The reversal of 145412503023 is 320305214541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145412503023 - 2¹⁶ = 145412437487 is a prime.

It is a super-2 number, since 2×145412503023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412503063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24235417168 + ... + 24235417173.

It is an arithmetic number, because the mean of its divisors is an integer number (48470834342).

Almost surely, 2^145412503023 is an apocalyptic number.

145412503023 is a deficient number, since it is larger than the sum of its proper divisors (48470834345).

145412503023 is an equidigital number, since it uses as much as digits as its factorization.

145412503023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48470834344.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 145412503023 its reverse (320305214541), we get a palindrome (465717717564).

The spelling of 145412503023 in words is "one hundred forty-five billion, four hundred twelve million, five hundred three thousand, twenty-three".