153780442252 has 6 divisors (see below), whose sum is σ = 269115773948. Its totient is φ = 76890221124.

The previous prime is 153780442247. The next prime is 153780442271. The reversal of 153780442252 is 252244087351.

It is a junction number, because it is equal to n+sod(n) for n = 153780442199 and 153780442208.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19222555278 + ... + 19222555285.

Almost surely, 2^153780442252 is an apocalyptic number.

It is an amenable number.

153780442252 is a deficient number, since it is larger than the sum of its proper divisors (115335331696).

153780442252 is a wasteful number, since it uses less digits than its factorization.

153780442252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38445110567 (or 38445110565 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 153780442252 in words is "one hundred fifty-three billion, seven hundred eighty million, four hundred forty-two thousand, two hundred fifty-two".