145400405344 has 48 divisors (see below), whose sum is σ = 287583712416. Its totient is φ = 72363571200.

The previous prime is 145400405329. The next prime is 145400405377. The reversal of 145400405344 is 443504004541.

It is a super-2 number, since 2×145400405344² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 24528909 + ... + 24534835.

It is an arithmetic number, because the mean of its divisors is an integer number (5991327342).

Almost surely, 2^145400405344 is an apocalyptic number.

It is an amenable number.

145400405344 is a deficient number, since it is larger than the sum of its proper divisors (142183307072).

145400405344 is a wasteful number, since it uses less digits than its factorization.

145400405344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9351 counting only the distinct ones).

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

Adding to 145400405344 its reverse (443504004541), we get a palindrome (588904409885).

The spelling of 145400405344 in words is "one hundred forty-five billion, four hundred million, four hundred five thousand, three hundred forty-four".