145204015455 has 12 divisors (see below), whose sum is σ = 251686960200. Its totient is φ = 77442141552.

The previous prime is 145204015447. The next prime is 145204015477. The reversal of 145204015455 is 554510402541.

145204015455 is a `hidden beast` number, since 1 + 452 + 0 + 4 + 0 + 154 + 55 = 666.

It is not a de Polignac number, because 145204015455 - 2³ = 145204015447 is a prime.

It is a super-2 number, since 2×145204015455² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613377905 + ... + 1613377994.

It is an arithmetic number, because the mean of its divisors is an integer number (20973913350).

Almost surely, 2^145204015455 is an apocalyptic number.

145204015455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145204015455 is a deficient number, since it is larger than the sum of its proper divisors (106482944745).

145204015455 is a wasteful number, since it uses less digits than its factorization.

145204015455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226755910 (or 3226755907 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 145204015455 its reverse (554510402541), we get a palindrome (699714417996).

The spelling of 145204015455 in words is "one hundred forty-five billion, two hundred four million, fifteen thousand, four hundred fifty-five".