120142145334445 has 16 divisors (see below), whose sum is σ = 155260925960112. Its totient is φ = 88720177835520.

The previous prime is 120142145334403. The next prime is 120142145334469. The reversal of 120142145334445 is 544433541241021.

It can be written as a sum of positive squares in 8 ways, for example, as 5128145940681 + 115013999393764 = 2264541^2 + 10724458^2 .

It is not a de Polignac number, because 120142145334445 - 2⁷ = 120142145334317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37812369 + ... + 40866361.

It is an arithmetic number, because the mean of its divisors is an integer number (9703807872507).

Almost surely, 2^{120142145334445} is an apocalyptic number.

It is an amenable number.

120142145334445 is a deficient number, since it is larger than the sum of its proper divisors (35118780625667).

120142145334445 is a wasteful number, since it uses less digits than its factorization.

120142145334445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659232.

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 120142145334445 its reverse (544433541241021), we get a palindrome (664575686575466).

The spelling of 120142145334445 in words is "one hundred twenty trillion, one hundred forty-two billion, one hundred forty-five million, three hundred thirty-four thousand, four hundred forty-five".