145366203 has 4 divisors (see below), whose sum is σ = 193821608. Its totient is φ = 96910800.

The previous prime is 145366163. The next prime is 145366211. The reversal of 145366203 is 302663541.

145366203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145366203 - 2¹³ = 145358011 is a prime.

It is a super-2 number, since 2×145366203² = 42262665949274418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145366213) 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, 24227698 + ... + 24227703.

It is an arithmetic number, because the mean of its divisors is an integer number (48455402).

Almost surely, 2^145366203 is an apocalyptic number.

145366203 is a deficient number, since it is larger than the sum of its proper divisors (48455405).

145366203 is an equidigital number, since it uses as much as digits as its factorization.

145366203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48455404.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 145366203 is about 12056.7907421503. The cubic root of 145366203 is about 525.8006866281.

The spelling of 145366203 in words is "one hundred forty-five million, three hundred sixty-six thousand, two hundred three".