47542345 has 8 divisors (see below), whose sum is σ = 57832776. Its totient is φ = 37512576.

The previous prime is 47542337. The next prime is 47542361. The reversal of 47542345 is 54324574.

It can be written as a sum of positive squares in 4 ways, for example, as 3625216 + 43917129 = 1904^2 + 6627^2 .

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 47542345 - 2³ = 47542337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47542345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64762 + ... + 65491.

It is an arithmetic number, because the mean of its divisors is an integer number (7229097).

Almost surely, 2^47542345 is an apocalyptic number.

It is an amenable number.

47542345 is a deficient number, since it is larger than the sum of its proper divisors (10290431).

47542345 is a wasteful number, since it uses less digits than its factorization.

47542345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130331.

The product of its digits is 67200, while the sum is 34.

The square root of 47542345 is about 6895.0957208729. The cubic root of 47542345 is about 362.2654082644.

The spelling of 47542345 in words is "forty-seven million, five hundred forty-two thousand, three hundred forty-five".