145401205 has 8 divisors (see below), whose sum is σ = 183664800. Its totient is φ = 110198736.

The previous prime is 145401199. The next prime is 145401209. The reversal of 145401205 is 502104541.

145401205 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 145401205 - 2³ = 145401197 is a prime.

It is a super-2 number, since 2×145401205² = 42283020830904050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401209) 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, 765175 + ... + 765364.

It is an arithmetic number, because the mean of its divisors is an integer number (22958100).

Almost surely, 2^145401205 is an apocalyptic number.

It is an amenable number.

145401205 is a deficient number, since it is larger than the sum of its proper divisors (38263595).

145401205 is a wasteful number, since it uses less digits than its factorization.

145401205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530563.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 145401205 is about 12058.2422019132. The cubic root of 145401205 is about 525.8428848794.

Adding to 145401205 its reverse (502104541), we get a palindrome (647505746).

The spelling of 145401205 in words is "one hundred forty-five million, four hundred one thousand, two hundred five".