147388890 has 96 divisors (see below), whose sum is σ = 409469760. Its totient is φ = 33834240.

The previous prime is 147388877. The next prime is 147388897. The reversal of 147388890 is 98883741.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147388897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67902 + ... + 70038.

It is an arithmetic number, because the mean of its divisors is an integer number (4265310).

Almost surely, 2^147388890 is an apocalyptic number.

147388890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147388890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204734880).

147388890 is an abundant number, since it is smaller than the sum of its proper divisors (262080870).

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

147388890 is a wasteful number, since it uses less digits than its factorization.

147388890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 147388890 is about 12140.3826134105. The cubic root of 147388890 is about 528.2281999696.

The spelling of 147388890 in words is "one hundred forty-seven million, three hundred eighty-eight thousand, eight hundred ninety".