145451224205 has 32 divisors (see below), whose sum is σ = 211483747584. Its totient is φ = 93749308416.

The previous prime is 145451224201. The next prime is 145451224271. The reversal of 145451224205 is 502422154541.

It is a cyclic number.

It is not a de Polignac number, because 145451224205 - 2² = 145451224201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145451224201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301814 + ... + 618056.

It is an arithmetic number, because the mean of its divisors is an integer number (6608867112).

Almost surely, 2^145451224205 is an apocalyptic number.

It is an amenable number.

145451224205 is a deficient number, since it is larger than the sum of its proper divisors (66032523379).

145451224205 is a wasteful number, since it uses less digits than its factorization.

145451224205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317045.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 145451224205 its reverse (502422154541), we get a palindrome (647873378746).

The spelling of 145451224205 in words is "one hundred forty-five billion, four hundred fifty-one million, two hundred twenty-four thousand, two hundred five".