145532003 has 2 divisors, whose sum is σ = 145532004. Its totient is φ = 145532002.

The previous prime is 145531987. The next prime is 145532021. The reversal of 145532003 is 300235541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145532003 - 2⁴ = 145531987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145532003.

It is not a weakly prime, because it can be changed into another prime (145532203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72766001 + 72766002.

It is an arithmetic number, because the mean of its divisors is an integer number (72766002).

Almost surely, 2^145532003 is an apocalyptic number.

145532003 is a deficient number, since it is larger than the sum of its proper divisors (1).

145532003 is an equidigital number, since it uses as much as digits as its factorization.

145532003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 145532003 is about 12063.6645759073. The cubic root of 145532003 is about 526.0005144400. Note that the first 3 decimals are identical.

Adding to 145532003 its reverse (300235541), we get a palindrome (445767544).

The spelling of 145532003 in words is "one hundred forty-five million, five hundred thirty-two thousand, three".