154231399953 has 12 divisors (see below), whose sum is σ = 222857753040. Its totient is φ = 102784442136.

The previous prime is 154231399937. The next prime is 154231399967. The reversal of 154231399953 is 359993132451.

154231399953 is a `hidden beast` number, since 1 + 542 + 3 + 1 + 3 + 9 + 9 + 95 + 3 = 666.

It is not a de Polignac number, because 154231399953 - 2⁴ = 154231399937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 154231399953.

It is not an unprimeable number, because it can be changed into a prime (154231399753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3014151 + ... + 3064892.

It is an arithmetic number, because the mean of its divisors is an integer number (18571479420).

Almost surely, 2^154231399953 is an apocalyptic number.

It is an amenable number.

154231399953 is a deficient number, since it is larger than the sum of its proper divisors (68626353087).

154231399953 is a wasteful number, since it uses less digits than its factorization.

154231399953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081868 (or 6081865 counting only the distinct ones).

The product of its digits is 3936600, while the sum is 54.

The spelling of 154231399953 in words is "one hundred fifty-four billion, two hundred thirty-one million, three hundred ninety-nine thousand, nine hundred fifty-three".