147794249 has 4 divisors (see below), whose sum is σ = 148343940. Its totient is φ = 147244560.

The previous prime is 147794221. The next prime is 147794287. The reversal of 147794249 is 942497741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942497741 = 1301 ⋅724441.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 137827600 = 3157^2 + 11740^2 .

It is a cyclic number.

It is not a de Polignac number, because 147794249 - 2⁸ = 147793993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147794149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274442 + ... + 274979.

It is an arithmetic number, because the mean of its divisors is an integer number (37085985).

Almost surely, 2^147794249 is an apocalyptic number.

It is an amenable number.

147794249 is a deficient number, since it is larger than the sum of its proper divisors (549691).

147794249 is an equidigital number, since it uses as much as digits as its factorization.

147794249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549690.

The product of its digits is 508032, while the sum is 47.

The square root of 147794249 is about 12157.0658055305. The cubic root of 147794249 is about 528.7120131357.

The spelling of 147794249 in words is "one hundred forty-seven million, seven hundred ninety-four thousand, two hundred forty-nine".