145748623 has 2 divisors, whose sum is σ = 145748624. Its totient is φ = 145748622.

The previous prime is 145748593. The next prime is 145748627. The reversal of 145748623 is 326847541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145748623 - 2²⁵ = 112194191 is a prime.

It is a super-2 number, since 2×145748623² = 42485322212792258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145748627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72874311 + 72874312.

It is an arithmetic number, because the mean of its divisors is an integer number (72874312).

Almost surely, 2^145748623 is an apocalyptic number.

145748623 is a deficient number, since it is larger than the sum of its proper divisors (1).

145748623 is an equidigital number, since it uses as much as digits as its factorization.

145748623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 145748623 is about 12072.6394380019. The cubic root of 145748623 is about 526.2613636979.

The spelling of 145748623 in words is "one hundred forty-five million, seven hundred forty-eight thousand, six hundred twenty-three".