145604452155 has 16 divisors (see below), whose sum is σ = 233020919040. Its totient is φ = 77637775968.

The previous prime is 145604452127. The next prime is 145604452157. The reversal of 145604452155 is 551254406541.

It is a happy number.

It is not a de Polignac number, because 145604452155 - 2⁸ = 145604451899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145604452157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053487 + ... + 1183656.

It is an arithmetic number, because the mean of its divisors is an integer number (14563807440).

Almost surely, 2^145604452155 is an apocalyptic number.

145604452155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145604452155 is a deficient number, since it is larger than the sum of its proper divisors (87416466885).

145604452155 is a wasteful number, since it uses less digits than its factorization.

145604452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241490.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 145604452155 its reverse (551254406541), we get a palindrome (696858858696).

The spelling of 145604452155 in words is "one hundred forty-five billion, six hundred four million, four hundred fifty-two thousand, one hundred fifty-five".