145263603 has 4 divisors (see below), whose sum is σ = 193684808. Its totient is φ = 96842400.

The previous prime is 145263577. The next prime is 145263637. The reversal of 145263603 is 306362541.

145263603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145263603 - 2⁶ = 145263539 is a prime.

It is a super-2 number, since 2×145263603² = 42203028713083218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145263403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24210598 + ... + 24210603.

It is an arithmetic number, because the mean of its divisors is an integer number (48421202).

Almost surely, 2^145263603 is an apocalyptic number.

145263603 is a deficient number, since it is larger than the sum of its proper divisors (48421205).

145263603 is an equidigital number, since it uses as much as digits as its factorization.

145263603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48421204.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 145263603 is about 12052.5351275157. The cubic root of 145263603 is about 525.6769534945.

The spelling of 145263603 in words is "one hundred forty-five million, two hundred sixty-three thousand, six hundred three".