145500029 has 2 divisors, whose sum is σ = 145500030. Its totient is φ = 145500028.

The previous prime is 145500011. The next prime is 145500071. The reversal of 145500029 is 920005541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144048004 + 1452025 = 12002^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 145500029 - 2²⁰ = 144451453 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145499980 and 145500007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145500629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72750014 + 72750015.

It is an arithmetic number, because the mean of its divisors is an integer number (72750015).

Almost surely, 2^145500029 is an apocalyptic number.

It is an amenable number.

145500029 is a deficient number, since it is larger than the sum of its proper divisors (1).

145500029 is an equidigital number, since it uses as much as digits as its factorization.

145500029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 145500029 is about 12062.3392839034. The cubic root of 145500029 is about 525.9619901018.

The spelling of 145500029 in words is "one hundred forty-five million, five hundred thousand, twenty-nine".