145671103 has 4 divisors (see below), whose sum is σ = 146168568. Its totient is φ = 145173640.

The previous prime is 145671091. The next prime is 145671107. The reversal of 145671103 is 301176541.

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 145671103 - 2²¹ = 143573951 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 (145671107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248293 + ... + 248878.

It is an arithmetic number, because the mean of its divisors is an integer number (36542142).

Almost surely, 2^145671103 is an apocalyptic number.

145671103 is a deficient number, since it is larger than the sum of its proper divisors (497465).

145671103 is an equidigital number, since it uses as much as digits as its factorization.

145671103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497464.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 145671103 is about 12069.4284454567. The cubic root of 145671103 is about 526.1680454559.

The spelling of 145671103 in words is "one hundred forty-five million, six hundred seventy-one thousand, one hundred three".