32454155546 has 4 divisors (see below), whose sum is σ = 48681233322. Its totient is φ = 16227077772.

The previous prime is 32454155491. The next prime is 32454155549. The reversal of 32454155546 is 64555145423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64555145423 = 313 ⋅206246471.

It can be written as a sum of positive squares in only one way, i.e., 32206250521 + 247905025 = 179461^2 + 15745^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32454155497 and 32454155506.

It is not an unprimeable number, because it can be changed into a prime (32454155549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113538885 + ... + 8113538888.

Almost surely, 2^32454155546 is an apocalyptic number.

32454155546 is a deficient number, since it is larger than the sum of its proper divisors (16227077776).

32454155546 is a wasteful number, since it uses less digits than its factorization.

32454155546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16227077775.

The product of its digits is 1440000, while the sum is 44.

The spelling of 32454155546 in words is "thirty-two billion, four hundred fifty-four million, one hundred fifty-five thousand, five hundred forty-six".