147945550 has 12 divisors (see below), whose sum is σ = 275178816. Its totient is φ = 59178200.

The previous prime is 147945521. The next prime is 147945569. The reversal of 147945550 is 55549741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1479406 + ... + 1479505.

It is an arithmetic number, because the mean of its divisors is an integer number (22931568).

Almost surely, 2^147945550 is an apocalyptic number.

147945550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147945550 is a deficient number, since it is larger than the sum of its proper divisors (127233266).

147945550 is a wasteful number, since it uses less digits than its factorization.

147945550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958923 (or 2958918 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 147945550 is about 12163.2869735117. The cubic root of 147945550 is about 528.8923705691.

The spelling of 147945550 in words is "one hundred forty-seven million, nine hundred forty-five thousand, five hundred fifty".