147789550 has 24 divisors (see below), whose sum is σ = 277567056. Its totient is φ = 58539840.

The previous prime is 147789547. The next prime is 147789571. The reversal of 147789550 is 55987741.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 147789550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9199 + ... + 19498.

It is an arithmetic number, because the mean of its divisors is an integer number (11565294).

Almost surely, 2^147789550 is an apocalyptic number.

147789550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147789550 is a deficient number, since it is larger than the sum of its proper divisors (129777506).

147789550 is a wasteful number, since it uses less digits than its factorization.

147789550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28812 (or 28807 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 147789550 is about 12156.8725418999. The cubic root of 147789550 is about 528.7064097511.

The spelling of 147789550 in words is "one hundred forty-seven million, seven hundred eighty-nine thousand, five hundred fifty".