154213020331545 has 16 divisors (see below), whose sum is σ = 281989522892160. Its totient is φ = 70497380722944.

The previous prime is 154213020331523. The next prime is 154213020331597. The reversal of 154213020331545 is 545133020312451.

It is not a de Polignac number, because 154213020331545 - 2⁷ = 154213020331417 is a prime.

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, 734347715760 + ... + 734347715969.

It is an arithmetic number, because the mean of its divisors is an integer number (17624345180760).

Almost surely, 2^{154213020331545} is an apocalyptic number.

154213020331545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154213020331545 is a deficient number, since it is larger than the sum of its proper divisors (127776502560615).

154213020331545 is a wasteful number, since it uses less digits than its factorization.

154213020331545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468695431744.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 154213020331545 its reverse (545133020312451), we get a palindrome (699346040643996).

The spelling of 154213020331545 in words is "one hundred fifty-four trillion, two hundred thirteen billion, twenty million, three hundred thirty-one thousand, five hundred forty-five".