147890 has 16 divisors (see below), whose sum is σ = 278208. Its totient is φ = 56496.

The previous prime is 147881. The next prime is 147919. The reversal of 147890 is 98741.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

147890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (17388).

2¹⁴⁷⁸⁹⁰ is an apocalyptic number.

147890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147890 is a deficient number, since it is larger than the sum of its proper divisors (130318).

147890 is a wasteful number, since it uses less digits than its factorization.

147890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 147890 is about 384.5646889666. The cubic root of 147890 is about 52.8826166823.

The spelling of 147890 in words is "one hundred forty-seven thousand, eight hundred ninety".