145055433405 has 48 divisors (see below), whose sum is σ = 245580042240. Its totient is φ = 73101695616.

The previous prime is 145055433371. The next prime is 145055433473. The reversal of 145055433405 is 504334550541.

It is a happy number.

It is not a de Polignac number, because 145055433405 - 2¹³ = 145055425213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2072004 + ... + 2140866.

It is an arithmetic number, because the mean of its divisors is an integer number (5116250880).

Almost surely, 2^145055433405 is an apocalyptic number.

145055433405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145055433405 is a deficient number, since it is larger than the sum of its proper divisors (100524608835).

145055433405 is a wasteful number, since it uses less digits than its factorization.

145055433405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69298 (or 69279 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 145055433405 its reverse (504334550541), we get a palindrome (649389983946).

The spelling of 145055433405 in words is "one hundred forty-five billion, fifty-five million, four hundred thirty-three thousand, four hundred five".