145020103 has 8 divisors (see below), whose sum is σ = 152766000. Its totient is φ = 137285568.

The previous prime is 145020101. The next prime is 145020163. The reversal of 145020103 is 301020541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145020103 - 2¹ = 145020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40323 + ... + 43771.

It is an arithmetic number, because the mean of its divisors is an integer number (19095750).

Almost surely, 2^145020103 is an apocalyptic number.

145020103 is a deficient number, since it is larger than the sum of its proper divisors (7745897).

145020103 is a wasteful number, since it uses less digits than its factorization.

145020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 145020103 is about 12042.4292815030. The cubic root of 145020103 is about 525.3830649497.

Adding to 145020103 its reverse (301020541), we get a palindrome (446040644).

The spelling of 145020103 in words is "one hundred forty-five million, twenty thousand, one hundred three".