145614929 has 2 divisors, whose sum is σ = 145614930. Its totient is φ = 145614928.

The previous prime is 145614923. The next prime is 145614949. The reversal of 145614929 is 929416541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126675025 + 18939904 = 11255^2 + 4352^2 .

It is an emirp because it is prime and its reverse (929416541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145614929 - 2⁴ = 145614913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (145614923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72807464 + 72807465.

It is an arithmetic number, because the mean of its divisors is an integer number (72807465).

Almost surely, 2^145614929 is an apocalyptic number.

It is an amenable number.

145614929 is a deficient number, since it is larger than the sum of its proper divisors (1).

145614929 is an equidigital number, since it uses as much as digits as its factorization.

145614929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 145614929 is about 12067.1011017560. The cubic root of 145614929 is about 526.1004027474.

The spelling of 145614929 in words is "one hundred forty-five million, six hundred fourteen thousand, nine hundred twenty-nine".