154040304651645 has 16 divisors (see below), whose sum is σ = 246472477048512. Its totient is φ = 82152165945600.

The previous prime is 154040304651643. The next prime is 154040304651659. The reversal of 154040304651645 is 546156403040451.

It is not a de Polignac number, because 154040304651645 - 2¹ = 154040304651643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154040304651594 and 154040304651603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154040304651643) 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, 165971932 + ... + 166897461.

It is an arithmetic number, because the mean of its divisors is an integer number (15404529815532).

Almost surely, 2^{154040304651645} is an apocalyptic number.

154040304651645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154040304651645 is a deficient number, since it is larger than the sum of its proper divisors (92432172396867).

154040304651645 is a wasteful number, since it uses less digits than its factorization.

154040304651645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332900252.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 154040304651645 in words is "one hundred fifty-four trillion, forty billion, three hundred four million, six hundred fifty-one thousand, six hundred forty-five".