145873829 has 2 divisors, whose sum is σ = 145873830. Its totient is φ = 145873828.

The previous prime is 145873823. The next prime is 145873837. The reversal of 145873829 is 928378541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 43256929 = 10130^2 + 6577^2 .

It is a cyclic number.

It is not a de Polignac number, because 145873829 - 2²⁰ = 144825253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145873823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72936914 + 72936915.

It is an arithmetic number, because the mean of its divisors is an integer number (72936915).

Almost surely, 2^145873829 is an apocalyptic number.

It is an amenable number.

145873829 is a deficient number, since it is larger than the sum of its proper divisors (1).

145873829 is an equidigital number, since it uses as much as digits as its factorization.

145873829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 145873829 is about 12077.8238520025. The cubic root of 145873829 is about 526.4120162848.

The spelling of 145873829 in words is "one hundred forty-five million, eight hundred seventy-three thousand, eight hundred twenty-nine".