145221124054 has 16 divisors (see below), whose sum is σ = 230654281968. Its totient is φ = 68336695552.

The previous prime is 145221124039. The next prime is 145221124063. The reversal of 145221124054 is 450421122541.

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, 1014657 + ... + 1148899.

It is an arithmetic number, because the mean of its divisors is an integer number (14415892623).

Almost surely, 2^145221124054 is an apocalyptic number.

145221124054 is a deficient number, since it is larger than the sum of its proper divisors (85433157914).

145221124054 is a wasteful number, since it uses less digits than its factorization.

145221124054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166079.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 145221124054 its reverse (450421122541), we get a palindrome (595642246595).

The spelling of 145221124054 in words is "one hundred forty-five billion, two hundred twenty-one million, one hundred twenty-four thousand, fifty-four".