145335503 has 4 divisors (see below), whose sum is σ = 152984760. Its totient is φ = 137686248.

The previous prime is 145335497. The next prime is 145335511. The reversal of 145335503 is 305533541.

145335503 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 a cyclic number.

It is not a de Polignac number, because 145335503 - 2⁶ = 145335439 is a prime.

It is a super-2 number, since 2×145335503² = 42244816864526018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145335523) 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, 3824600 + ... + 3824637.

It is an arithmetic number, because the mean of its divisors is an integer number (38246190).

Almost surely, 2^145335503 is an apocalyptic number.

145335503 is a deficient number, since it is larger than the sum of its proper divisors (7649257).

145335503 is an equidigital number, since it uses as much as digits as its factorization.

145335503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649256.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 145335503 is about 12055.5175334782. The cubic root of 145335503 is about 525.7636692719.

The spelling of 145335503 in words is "one hundred forty-five million, three hundred thirty-five thousand, five hundred three".