145264503 has 4 divisors (see below), whose sum is σ = 193686008. Its totient is φ = 96843000.

The previous prime is 145264501. The next prime is 145264529. The reversal of 145264503 is 305462541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145264503 - 2¹ = 145264501 is a prime.

It is a super-2 number, since 2×145264503² = 42203551663674018, 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 (145264501) 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, 24210748 + ... + 24210753.

It is an arithmetic number, because the mean of its divisors is an integer number (48421502).

Almost surely, 2^145264503 is an apocalyptic number.

145264503 is a deficient number, since it is larger than the sum of its proper divisors (48421505).

145264503 is an equidigital number, since it uses as much as digits as its factorization.

145264503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48421504.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 145264503 is about 12052.5724640012. The cubic root of 145264503 is about 525.6780391261.

The spelling of 145264503 in words is "one hundred forty-five million, two hundred sixty-four thousand, five hundred three".