147864273 has 4 divisors (see below), whose sum is σ = 197152368. Its totient is φ = 98576180.

The previous prime is 147864271. The next prime is 147864337. The reversal of 147864273 is 372468741.

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: 372468741 = 3 ⋅124156247.

It is a cyclic number.

It is not a de Polignac number, because 147864273 - 2¹ = 147864271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147864271) 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, 24644043 + ... + 24644048.

It is an arithmetic number, because the mean of its divisors is an integer number (49288092).

Almost surely, 2^147864273 is an apocalyptic number.

It is an amenable number.

147864273 is a deficient number, since it is larger than the sum of its proper divisors (49288095).

147864273 is an equidigital number, since it uses as much as digits as its factorization.

147864273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49288094.

The product of its digits is 225792, while the sum is 42.

The square root of 147864273 is about 12159.9454357328. The cubic root of 147864273 is about 528.7955001112.

The spelling of 147864273 in words is "one hundred forty-seven million, eight hundred sixty-four thousand, two hundred seventy-three".