145520603 has 8 divisors (see below), whose sum is σ = 153879936. Its totient is φ = 137390400.

The previous prime is 145520591. The next prime is 145520611. The reversal of 145520603 is 306025541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145520603 - 2⁶ = 145520539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145520623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55976 + ... + 58517.

It is an arithmetic number, because the mean of its divisors is an integer number (19234992).

Almost surely, 2^145520603 is an apocalyptic number.

145520603 is a deficient number, since it is larger than the sum of its proper divisors (8359333).

145520603 is a wasteful number, since it uses less digits than its factorization.

145520603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114565.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145520603 is about 12063.1920734108. The cubic root of 145520603 is about 525.9867796318.

The spelling of 145520603 in words is "one hundred forty-five million, five hundred twenty thousand, six hundred three".