159378550 has 48 divisors (see below), whose sum is σ = 303284160. Its totient is φ = 62300160.

The previous prime is 159378547. The next prime is 159378559. The reversal of 159378550 is 55873951.

It is a junction number, because it is equal to n+sod(n) for n = 159378497 and 159378506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159378559) 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 in 23 ways as a sum of consecutive naturals, for example, 620022 + ... + 620278.

It is an arithmetic number, because the mean of its divisors is an integer number (6318420).

Almost surely, 2^159378550 is an apocalyptic number.

159378550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159378550 is a deficient number, since it is larger than the sum of its proper divisors (143905610).

159378550 is a wasteful number, since it uses less digits than its factorization.

159378550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 159378550 is about 12624.5217731208. The cubic root of 159378550 is about 542.1797468488.

The spelling of 159378550 in words is "one hundred fifty-nine million, three hundred seventy-eight thousand, five hundred fifty".