145441103 has 4 divisors (see below), whose sum is σ = 153996480. Its totient is φ = 136885728.

The previous prime is 145441099. The next prime is 145441129. The reversal of 145441103 is 301144541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301144541 = 239 ⋅1260019.

It is a cyclic number.

It is not a de Polignac number, because 145441103 - 2² = 145441099 is a prime.

It is a super-2 number, since 2×145441103² = 42306228883713218, 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 (145441403) 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 3 ways as a sum of consecutive naturals, for example, 4277663 + ... + 4277696.

It is an arithmetic number, because the mean of its divisors is an integer number (38499120).

Almost surely, 2^145441103 is an apocalyptic number.

145441103 is a deficient number, since it is larger than the sum of its proper divisors (8555377).

145441103 is an equidigital number, since it uses as much as digits as its factorization.

145441103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555376.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145441103 is about 12059.8964755092. The cubic root of 145441103 is about 525.8909774674.

Adding to 145441103 its reverse (301144541), we get a palindrome (446585644).

The spelling of 145441103 in words is "one hundred forty-five million, four hundred forty-one thousand, one hundred three".