145140425105424 has 40 divisors (see below), whose sum is σ = 428509826502720. Its totient is φ = 41468692887168.

The previous prime is 145140425105411. The next prime is 145140425105449. The reversal of 145140425105424 is 424501524041541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215982775119 + ... + 215982775790.

It is an arithmetic number, because the mean of its divisors is an integer number (10712745662568).

Almost surely, 2^{145140425105424} is an apocalyptic number.

145140425105424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145140425105424 is an abundant number, since it is smaller than the sum of its proper divisors (283369401397296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145140425105424 is a wasteful number, since it uses less digits than its factorization.

145140425105424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431965550927 (or 431965550921 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 42.

Adding to 145140425105424 its reverse (424501524041541), we get a palindrome (569641949146965).

The spelling of 145140425105424 in words is "one hundred forty-five trillion, one hundred forty billion, four hundred twenty-five million, one hundred five thousand, four hundred twenty-four".