145543234400 has 72 divisors (see below), whose sum is σ = 355365536400. Its totient is φ = 58207772160.

The previous prime is 145543234387. The next prime is 145543234429. The reversal of 145543234400 is 4432345541.

145543234400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145543234400² (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 11 ways as a sum of consecutive naturals, for example, 6868622 + ... + 6889778.

It is an arithmetic number, because the mean of its divisors is an integer number (4935632450).

Almost surely, 2^145543234400 is an apocalyptic number.

145543234400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145543234400 is an abundant number, since it is smaller than the sum of its proper divisors (209822302000).

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

145543234400 is a wasteful number, since it uses less digits than its factorization.

145543234400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29776 (or 29763 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 145543234400 its reverse (4432345541), we get a palindrome (149975579941).

The spelling of 145543234400 in words is "one hundred forty-five billion, five hundred forty-three million, two hundred thirty-four thousand, four hundred".