47150945 has 16 divisors (see below), whose sum is σ = 60451920. Its totient is φ = 35180544.

The previous prime is 47150933. The next prime is 47150953. The reversal of 47150945 is 54905174.

It can be written as a sum of positive squares in 8 ways, for example, as 474721 + 46676224 = 689^2 + 6832^2 .

It is a cyclic number.

It is not a de Polignac number, because 47150945 - 2⁶ = 47150881 is a prime.

It is a super-2 number, since 2×47150945² = 4446423228786050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7151 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (3778245).

Almost surely, 2^47150945 is an apocalyptic number.

It is an amenable number.

47150945 is a deficient number, since it is larger than the sum of its proper divisors (13300975).

47150945 is a wasteful number, since it uses less digits than its factorization.

47150945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 47150945 is about 6866.6545711868. The cubic root of 47150945 is about 361.2685315142.

The spelling of 47150945 in words is "forty-seven million, one hundred fifty thousand, nine hundred forty-five".