145874303 has 4 divisors (see below), whose sum is σ = 152216688. Its totient is φ = 139531920.

The previous prime is 145874291. The next prime is 145874329. The reversal of 145874303 is 303478541.

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 145874303 - 2²⁰ = 144825727 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145874353) 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, 3171158 + ... + 3171203.

It is an arithmetic number, because the mean of its divisors is an integer number (38054172).

Almost surely, 2^145874303 is an apocalyptic number.

145874303 is a deficient number, since it is larger than the sum of its proper divisors (6342385).

145874303 is an equidigital number, since it uses as much as digits as its factorization.

145874303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342384.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 145874303 is about 12077.8434747268. The cubic root of 145874303 is about 526.4125864557.

The spelling of 145874303 in words is "one hundred forty-five million, eight hundred seventy-four thousand, three hundred three".