147149049 has 4 divisors (see below), whose sum is σ = 196198736. Its totient is φ = 98099364.

The previous prime is 147149039. The next prime is 147149063. The reversal of 147149049 is 940941741.

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.

It is not a de Polignac number, because 147149049 - 2¹³ = 147140857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147148998 and 147149016.

It is not an unprimeable number, because it can be changed into a prime (147149039) 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, 24524839 + ... + 24524844.

It is an arithmetic number, because the mean of its divisors is an integer number (49049684).

Almost surely, 2^147149049 is an apocalyptic number.

It is an amenable number.

147149049 is a deficient number, since it is larger than the sum of its proper divisors (49049687).

147149049 is an equidigital number, since it uses as much as digits as its factorization.

147149049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49049686.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 147149049 is about 12130.5007728453. The cubic root of 147149049 is about 527.9415217317.

The spelling of 147149049 in words is "one hundred forty-seven million, one hundred forty-nine thousand, forty-nine".