147738918 has 16 divisors (see below), whose sum is σ = 297734976. Its totient is φ = 48870120.

The previous prime is 147738893. The next prime is 147738923. The reversal of 147738918 is 819837741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93196 + ... + 94767.

It is an arithmetic number, because the mean of its divisors is an integer number (18608436).

Almost surely, 2^147738918 is an apocalyptic number.

147738918 is an abundant number, since it is smaller than the sum of its proper divisors (149996058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147738918 is a wasteful number, since it uses less digits than its factorization.

147738918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188099.

The product of its digits is 338688, while the sum is 48.

The square root of 147738918 is about 12154.7899200274. The cubic root of 147738918 is about 528.6460254173.

The spelling of 147738918 in words is "one hundred forty-seven million, seven hundred thirty-eight thousand, nine hundred eighteen".