145400325424 has 20 divisors (see below), whose sum is σ = 282382295920. Its totient is φ = 72527474880.

The previous prime is 145400325409. The next prime is 145400325443. The reversal of 145400325424 is 424523004541.

It is a super-2 number, since 2×145400325424² (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 145400325424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10786044 + ... + 10799515.

It is an arithmetic number, because the mean of its divisors is an integer number (14119114796).

Almost surely, 2^145400325424 is an apocalyptic number.

It is an amenable number.

145400325424 is a deficient number, since it is larger than the sum of its proper divisors (136981970496).

145400325424 is a wasteful number, since it uses less digits than its factorization.

145400325424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21585988 (or 21585982 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 145400325424 its reverse (424523004541), we get a palindrome (569923329965).

The spelling of 145400325424 in words is "one hundred forty-five billion, four hundred million, three hundred twenty-five thousand, four hundred twenty-four".