145914503 has 12 divisors (see below), whose sum is σ = 170787960. Its totient is φ = 124295472.

The previous prime is 145914499. The next prime is 145914511. The reversal of 145914503 is 305419541.

145914503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145914503 - 2² = 145914499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145914503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145914533) 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, 1148 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (14232330).

Almost surely, 2^145914503 is an apocalyptic number.

145914503 is a deficient number, since it is larger than the sum of its proper divisors (24873457).

145914503 is a wasteful number, since it uses less digits than its factorization.

145914503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446 (or 18439 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 145914503 is about 12079.5075644664. The cubic root of 145914503 is about 526.4609382259.

The spelling of 145914503 in words is "one hundred forty-five million, nine hundred fourteen thousand, five hundred three".