145436133 has 4 divisors (see below), whose sum is σ = 193914848. Its totient is φ = 96957420.

The previous prime is 145436119. The next prime is 145436149. The reversal of 145436133 is 331634541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145436133 - 2⁵ = 145436101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145436133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145436183) 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, 24239353 + ... + 24239358.

It is an arithmetic number, because the mean of its divisors is an integer number (48478712).

Almost surely, 2^145436133 is an apocalyptic number.

It is an amenable number.

145436133 is a deficient number, since it is larger than the sum of its proper divisors (48478715).

145436133 is an equidigital number, since it uses as much as digits as its factorization.

145436133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48478714.

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

The square root of 145436133 is about 12059.6904189121. The cubic root of 145436133 is about 525.8849871665.

The spelling of 145436133 in words is "one hundred forty-five million, four hundred thirty-six thousand, one hundred thirty-three".