145564603 has 2 divisors, whose sum is σ = 145564604. Its totient is φ = 145564602.

The previous prime is 145564579. The next prime is 145564613. The reversal of 145564603 is 306465541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145564603 - 2⁵ = 145564571 is a prime.

It is not a weakly prime, because it can be changed into another prime (145564613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72782301 + 72782302.

It is an arithmetic number, because the mean of its divisors is an integer number (72782302).

Almost surely, 2^145564603 is an apocalyptic number.

145564603 is a deficient number, since it is larger than the sum of its proper divisors (1).

145564603 is an equidigital number, since it uses as much as digits as its factorization.

145564603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 145564603 is about 12065.0156651369. The cubic root of 145564603 is about 526.0397872143.

The spelling of 145564603 in words is "one hundred forty-five million, five hundred sixty-four thousand, six hundred three".