47129045 has 8 divisors (see below), whose sum is σ = 56916024. Its totient is φ = 37462464.

The previous prime is 47129041. The next prime is 47129081. The reversal of 47129045 is 54092174.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6666724 + 40462321 = 2582^2 + 6361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47129045 - 2² = 47129041 is a prime.

It is a super-2 number, since 2×47129045² = 4442293765224050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47129041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29234 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (7114503).

Almost surely, 2^47129045 is an apocalyptic number.

It is an amenable number.

47129045 is a deficient number, since it is larger than the sum of its proper divisors (9786979).

47129045 is a wasteful number, since it uses less digits than its factorization.

47129045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60199.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47129045 is about 6865.0597229740. The cubic root of 47129045 is about 361.2125905635.

The spelling of 47129045 in words is "forty-seven million, one hundred twenty-nine thousand, forty-five".