154305512013021 has 16 divisors (see below), whose sum is σ = 206015775736320. Its totient is φ = 102732859848240.

The previous prime is 154305512012969. The next prime is 154305512013031. The reversal of 154305512013021 is 120310215503451.

It is not a de Polignac number, because 154305512013021 - 2¹⁰ = 154305512011997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154305512013031) 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, 1366536 + ... + 17620398.

It is an arithmetic number, because the mean of its divisors is an integer number (12875985983520).

Almost surely, 2^{154305512013021} is an apocalyptic number.

It is an amenable number.

154305512013021 is a deficient number, since it is larger than the sum of its proper divisors (51710263723299).

154305512013021 is a wasteful number, since it uses less digits than its factorization.

154305512013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16258096.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 154305512013021 its reverse (120310215503451), we get a palindrome (274615727516472).

The spelling of 154305512013021 in words is "one hundred fifty-four trillion, three hundred five billion, five hundred twelve million, thirteen thousand, twenty-one".