145004207 has 4 divisors (see below), whose sum is σ = 146990640. Its totient is φ = 143017776.

The previous prime is 145004201. The next prime is 145004239. The reversal of 145004207 is 702400541.

145004207 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 a cyclic number.

It is not a de Polignac number, because 145004207 - 2⁴ = 145004191 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 (145004201) 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, 993107 + ... + 993252.

It is an arithmetic number, because the mean of its divisors is an integer number (36747660).

Almost surely, 2^145004207 is an apocalyptic number.

145004207 is a deficient number, since it is larger than the sum of its proper divisors (1986433).

145004207 is an equidigital number, since it uses as much as digits as its factorization.

145004207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986432.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 145004207 is about 12041.7692636921. The cubic root of 145004207 is about 525.3638680839.

Adding to 145004207 its reverse (702400541), we get a palindrome (847404748).

The spelling of 145004207 in words is "one hundred forty-five million, four thousand, two hundred seven".