145629193 has 2 divisors, whose sum is σ = 145629194. Its totient is φ = 145629192.

The previous prime is 145629181. The next prime is 145629199. The reversal of 145629193 is 391926541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142850304 + 2778889 = 11952^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 145629193 - 2¹³ = 145621001 is a prime.

It is not a weakly prime, because it can be changed into another prime (145629199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72814596 + 72814597.

It is an arithmetic number, because the mean of its divisors is an integer number (72814597).

Almost surely, 2^145629193 is an apocalyptic number.

It is an amenable number.

145629193 is a deficient number, since it is larger than the sum of its proper divisors (1).

145629193 is an equidigital number, since it uses as much as digits as its factorization.

145629193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 145629193 is about 12067.6921157278. The cubic root of 145629193 is about 526.1175805903.

The spelling of 145629193 in words is "one hundred forty-five million, six hundred twenty-nine thousand, one hundred ninety-three".