145554421133434 has 16 divisors (see below), whose sum is σ = 227826773314560. Its totient is φ = 69612231750160.

The previous prime is 145554421133419. The next prime is 145554421133447. The reversal of 145554421133434 is 434331124455541.

It is a super-2 number, since 2×145554421133434² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12782362 + ... + 21318949.

It is an arithmetic number, because the mean of its divisors is an integer number (14239173332160).

Almost surely, 2^{145554421133434} is an apocalyptic number.

145554421133434 is a deficient number, since it is larger than the sum of its proper divisors (82272352181126).

145554421133434 is a wasteful number, since it uses less digits than its factorization.

145554421133434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194125.

The product of its digits is 6912000, while the sum is 49.

Adding to 145554421133434 its reverse (434331124455541), we get a palindrome (579885545588975).

The spelling of 145554421133434 in words is "one hundred forty-five trillion, five hundred fifty-four billion, four hundred twenty-one million, one hundred thirty-three thousand, four hundred thirty-four".