145780603 has 2 divisors, whose sum is σ = 145780604. Its totient is φ = 145780602.

The previous prime is 145780589. The next prime is 145780639. The reversal of 145780603 is 306087541.

It is a weak prime.

It is an emirp because it is prime and its reverse (306087541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145780603 - 2⁵ = 145780571 is a prime.

It is a super-2 number, since 2×145780603² = 42503968422087218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145780903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72890301 + 72890302.

It is an arithmetic number, because the mean of its divisors is an integer number (72890302).

Almost surely, 2^145780603 is an apocalyptic number.

145780603 is a deficient number, since it is larger than the sum of its proper divisors (1).

145780603 is an equidigital number, since it uses as much as digits as its factorization.

145780603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 145780603 is about 12073.9638478836. The cubic root of 145780603 is about 526.2998514432.

The spelling of 145780603 in words is "one hundred forty-five million, seven hundred eighty thousand, six hundred three".