145401155325 has 48 divisors (see below), whose sum is σ = 272147135040. Its totient is φ = 76084107840.

The previous prime is 145401155321. The next prime is 145401155357. The reversal of 145401155325 is 523551104541.

145401155325 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 0 + 115 + 532 + 5 = 666.

It is not a de Polignac number, because 145401155325 - 2² = 145401155321 is a prime.

It is a super-2 number, since 2×145401155325² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145401155325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401155321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1996387 + ... + 2067936.

It is an arithmetic number, because the mean of its divisors is an integer number (5669731980).

Almost surely, 2^145401155325 is an apocalyptic number.

145401155325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145401155325 is a deficient number, since it is larger than the sum of its proper divisors (126745979715).

145401155325 is a wasteful number, since it uses less digits than its factorization.

145401155325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064395 (or 4064384 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 145401155325 its reverse (523551104541), we get a palindrome (668952259866).

The spelling of 145401155325 in words is "one hundred forty-five billion, four hundred one million, one hundred fifty-five thousand, three hundred twenty-five".