145400545344 has 28 divisors (see below), whose sum is σ = 384705610064. Its totient is φ = 48466848384.

The previous prime is 145400545327. The next prime is 145400545349. The reversal of 145400545344 is 443545004541.

It is a super-2 number, since 2×145400545344² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145400545349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378647062 + ... + 378647445.

Almost surely, 2^145400545344 is an apocalyptic number.

It is an amenable number.

145400545344 is an abundant number, since it is smaller than the sum of its proper divisors (239305064720).

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

145400545344 is an equidigital number, since it uses as much as digits as its factorization.

145400545344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757294522 (or 757294512 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 145400545344 its reverse (443545004541), we get a palindrome (588945549885).

The spelling of 145400545344 in words is "one hundred forty-five billion, four hundred million, five hundred forty-five thousand, three hundred forty-four".