145204045 has 8 divisors (see below), whose sum is σ = 199137024. Its totient is φ = 99568464.

The previous prime is 145204027. The next prime is 145204049. The reversal of 145204045 is 540402541.

It is a happy number.

145204045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145204045 - 2⁹ = 145203533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145204049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074309 + ... + 2074378.

It is an arithmetic number, because the mean of its divisors is an integer number (24892128).

Almost surely, 2^145204045 is an apocalyptic number.

It is an amenable number.

145204045 is a deficient number, since it is larger than the sum of its proper divisors (53932979).

145204045 is an equidigital number, since it uses as much as digits as its factorization.

145204045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148699.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 145204045 is about 12050.0641077133. The cubic root of 145204045 is about 525.6051012500.

Adding to 145204045 its reverse (540402541), we get a palindrome (685606586).

The spelling of 145204045 in words is "one hundred forty-five million, two hundred four thousand, forty-five".