145354603 has 4 divisors (see below), whose sum is σ = 145398448. Its totient is φ = 145310760.

The previous prime is 145354591. The next prime is 145354609. The reversal of 145354603 is 306453541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306453541 = 23 ⋅13324067.

It is a cyclic number.

It is not a de Polignac number, because 145354603 - 2¹⁷ = 145223531 is a prime.

It is a super-2 number, since 2×145354603² = 42255921226575218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145354609) 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, 16503 + ... + 23728.

It is an arithmetic number, because the mean of its divisors is an integer number (36349612).

Almost surely, 2^145354603 is an apocalyptic number.

145354603 is a deficient number, since it is larger than the sum of its proper divisors (43845).

145354603 is an equidigital number, since it uses as much as digits as its factorization.

145354603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43844.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 145354603 is about 12056.3096758502. The cubic root of 145354603 is about 525.7867002267.

The spelling of 145354603 in words is "one hundred forty-five million, three hundred fifty-four thousand, six hundred three".