145221305141 has 16 divisors (see below), whose sum is σ = 162560867328. Its totient is φ = 128597977200.

The previous prime is 145221305107. The next prime is 145221305167. The reversal of 145221305141 is 141503122541.

It is a happy number.

It is not a de Polignac number, because 145221305141 - 2²² = 145217110837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145221305171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556535 + ... + 774708.

It is an arithmetic number, because the mean of its divisors is an integer number (10160054208).

Almost surely, 2^145221305141 is an apocalyptic number.

145221305141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145221305141 is a deficient number, since it is larger than the sum of its proper divisors (17339562187).

145221305141 is a wasteful number, since it uses less digits than its factorization.

145221305141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331512.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 145221305141 its reverse (141503122541), we get a palindrome (286724427682).

The spelling of 145221305141 in words is "one hundred forty-five billion, two hundred twenty-one million, three hundred five thousand, one hundred forty-one".