154135445205 has 32 divisors (see below), whose sum is σ = 283875379200. Its totient is φ = 69954990912.

The previous prime is 154135445203. The next prime is 154135445209. The reversal of 154135445205 is 502544531451.

It is not a de Polignac number, because 154135445205 - 2¹ = 154135445203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154135445203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5265825 + ... + 5295014.

It is an arithmetic number, because the mean of its divisors is an integer number (8871105600).

Almost surely, 2^154135445205 is an apocalyptic number.

154135445205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154135445205 is a deficient number, since it is larger than the sum of its proper divisors (129739933995).

154135445205 is a wasteful number, since it uses less digits than its factorization.

154135445205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10560993.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 154135445205 its reverse (502544531451), we get a palindrome (656679976656).

The spelling of 154135445205 in words is "one hundred fifty-four billion, one hundred thirty-five million, four hundred forty-five thousand, two hundred five".