145155444224401 has 32 divisors (see below), whose sum is σ = 166086321730560. Its totient is φ = 125869732095744.

The previous prime is 145155444224363. The next prime is 145155444224411. The reversal of 145155444224401 is 104422444551541.

It is not a de Polignac number, because 145155444224401 - 2¹⁷ = 145155444093329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145155444224411) 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, 702410176 + ... + 702616798.

It is an arithmetic number, because the mean of its divisors is an integer number (5190197554080).

Almost surely, 2^{145155444224401} is an apocalyptic number.

It is an amenable number.

145155444224401 is a deficient number, since it is larger than the sum of its proper divisors (20930877506159).

145155444224401 is a wasteful number, since it uses less digits than its factorization.

145155444224401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257065.

The product of its (nonzero) digits is 2048000, while the sum is 46.

Adding to 145155444224401 its reverse (104422444551541), we get a palindrome (249577888775942).

The spelling of 145155444224401 in words is "one hundred forty-five trillion, one hundred fifty-five billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred one".