147994090 has 12 divisors (see below), whose sum is σ = 266458626. Its totient is φ = 59182248.

The previous prime is 147994087. The next prime is 147994123. The reversal of 147994090 is 90499741.

147994090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133194681 + 14799409 = 11541^2 + 3847^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36547 + ... + 40393.

Almost surely, 2^147994090 is an apocalyptic number.

147994090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147994090 is a deficient number, since it is larger than the sum of its proper divisors (118464536).

147994090 is an frugal number, since it uses more digits than its factorization.

147994090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 147994090 is about 12165.2821586678. The cubic root of 147994090 is about 528.9502063259.

The spelling of 147994090 in words is "one hundred forty-seven million, nine hundred ninety-four thousand, ninety".