145330103 has 4 divisors (see below), whose sum is σ = 145360800. Its totient is φ = 145299408.

The previous prime is 145330099. The next prime is 145330253. The reversal of 145330103 is 301033541.

It is a happy number.

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 145330103 - 2² = 145330099 is a prime.

It is a super-2 number, since 2×145330103² = 42241677675981218, 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 (145338103) 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, 6575 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (36340200).

Almost surely, 2^145330103 is an apocalyptic number.

145330103 is a deficient number, since it is larger than the sum of its proper divisors (30697).

145330103 is an equidigital number, since it uses as much as digits as its factorization.

145330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30696.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 145330103 is about 12055.2935675578. The cubic root of 145330103 is about 525.7571575366.

Adding to 145330103 its reverse (301033541), we get a palindrome (446363644).

The spelling of 145330103 in words is "one hundred forty-five million, three hundred thirty thousand, one hundred three".