145026823 has 4 divisors (see below), whose sum is σ = 145106208. Its totient is φ = 144947440.

The previous prime is 145026821. The next prime is 145026839. The reversal of 145026823 is 328620541.

145026823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328620541 = 577 ⋅569533.

It is a cyclic number.

It is not a de Polignac number, because 145026823 - 2¹ = 145026821 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 (145026821) 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, 36886 + ... + 40627.

It is an arithmetic number, because the mean of its divisors is an integer number (36276552).

Almost surely, 2^145026823 is an apocalyptic number.

145026823 is a deficient number, since it is larger than the sum of its proper divisors (79385).

145026823 is an equidigital number, since it uses as much as digits as its factorization.

145026823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79384.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 145026823 is about 12042.7082917424. The cubic root of 145026823 is about 525.3911799617.

The spelling of 145026823 in words is "one hundred forty-five million, twenty-six thousand, eight hundred twenty-three".