47515149 has 12 divisors (see below), whose sum is σ = 74872512. Its totient is φ = 28797000.

The previous prime is 47515121. The next prime is 47515151. The reversal of 47515149 is 94151574.

It is not a de Polignac number, because 47515149 - 2¹³ = 47506957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47515199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239877 + ... + 240074.

It is an arithmetic number, because the mean of its divisors is an integer number (6239376).

Almost surely, 2^47515149 is an apocalyptic number.

It is an amenable number.

47515149 is a deficient number, since it is larger than the sum of its proper divisors (27357363).

47515149 is a wasteful number, since it uses less digits than its factorization.

47515149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479968 (or 479965 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 47515149 is about 6893.1233124035. The cubic root of 47515149 is about 362.1963186332.

The spelling of 47515149 in words is "forty-seven million, five hundred fifteen thousand, one hundred forty-nine".