147869 has 4 divisors (see below), whose sum is σ = 150144. Its totient is φ = 145596.

The previous prime is 147863. The next prime is 147881. The reversal of 147869 is 968741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968741 = 61 ⋅15881.

It is a cyclic number.

It is not a de Polignac number, because 147869 - 2⁴ = 147853 is a prime.

It is a super-2 number, since 2×147869² = 43730482322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147869.

It is not an unprimeable number, because it can be changed into a prime (147863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (37536).

2¹⁴⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

147869 is a deficient number, since it is larger than the sum of its proper divisors (2275).

147869 is an equidigital number, since it uses as much as digits as its factorization.

147869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its digits is 12096, while the sum is 35.

The square root of 147869 is about 384.5373843984. The cubic root of 147869 is about 52.8801134985.

The spelling of 147869 in words is "one hundred forty-seven thousand, eight hundred sixty-nine".