145007103 has 4 divisors (see below), whose sum is σ = 193342808. Its totient is φ = 96671400.

The previous prime is 145007081. The next prime is 145007113. The reversal of 145007103 is 301700541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145007103 - 2⁶ = 145007039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145007103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145007113) 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, 24167848 + ... + 24167853.

It is an arithmetic number, because the mean of its divisors is an integer number (48335702).

Almost surely, 2^145007103 is an apocalyptic number.

145007103 is a deficient number, since it is larger than the sum of its proper divisors (48335705).

145007103 is an equidigital number, since it uses as much as digits as its factorization.

145007103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48335704.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 145007103 is about 12041.8895112021. The cubic root of 145007103 is about 525.3673655540.

Adding to 145007103 its reverse (301700541), we get a palindrome (446707644).

The spelling of 145007103 in words is "one hundred forty-five million, seven thousand, one hundred three".