145310503 has 12 divisors (see below), whose sum is σ = 162082648. Its totient is φ = 129497760.

The previous prime is 145310497. The next prime is 145310513. The reversal of 145310503 is 305013541.

It is a happy number.

It is not a de Polignac number, because 145310503 - 2¹⁷ = 145179431 is a prime.

It is a super-2 number, since 2×145310503² = 42230284564226018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145310513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4288 + ... + 17578.

Almost surely, 2^145310503 is an apocalyptic number.

145310503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145310503 is a deficient number, since it is larger than the sum of its proper divisors (16772145).

145310503 is a wasteful number, since it uses less digits than its factorization.

145310503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362 (or 13333 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 145310503 is about 12054.4806192552. The cubic root of 145310503 is about 525.7335209938.

The spelling of 145310503 in words is "one hundred forty-five million, three hundred ten thousand, five hundred three".