145343623 has 2 divisors, whose sum is σ = 145343624. Its totient is φ = 145343622.

The previous prime is 145343587. The next prime is 145343629. The reversal of 145343623 is 326343541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145343623 - 2²⁵ = 111789191 is a prime.

It is a super-2 number, since 2×145343623² = 42249537493532258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145343629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72671811 + 72671812.

It is an arithmetic number, because the mean of its divisors is an integer number (72671812).

Almost surely, 2^145343623 is an apocalyptic number.

145343623 is a deficient number, since it is larger than the sum of its proper divisors (1).

145343623 is an equidigital number, since it uses as much as digits as its factorization.

145343623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 31.

The square root of 145343623 is about 12055.8543040301. The cubic root of 145343623 is about 525.7734606888.

The spelling of 145343623 in words is "one hundred forty-five million, three hundred forty-three thousand, six hundred twenty-three".