145430003 has 4 divisors (see below), whose sum is σ = 145555368. Its totient is φ = 145304640.

The previous prime is 145429987. The next prime is 145430011. The reversal of 145430003 is 300034541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300034541 = 1229 ⋅244129.

It is a cyclic number.

It is not a de Polignac number, because 145430003 - 2⁴ = 145429987 is a prime.

It is a super-2 number, since 2×145430003² = 42299771545160018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145438003) 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, 60926 + ... + 63267.

It is an arithmetic number, because the mean of its divisors is an integer number (36388842).

Almost surely, 2^145430003 is an apocalyptic number.

145430003 is a deficient number, since it is larger than the sum of its proper divisors (125365).

145430003 is a wasteful number, since it uses less digits than its factorization.

145430003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125364.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145430003 is about 12059.4362637729. The cubic root of 145430003 is about 525.8775985389.

Adding to 145430003 its reverse (300034541), we get a palindrome (445464544).

The spelling of 145430003 in words is "one hundred forty-five million, four hundred thirty thousand, three".