61795145 has 8 divisors (see below), whose sum is σ = 74302920. Its totient is φ = 49336960.

The previous prime is 61795141. The next prime is 61795147. The reversal of 61795145 is 54159716.

It can be written as a sum of positive squares in 4 ways, for example, as 30614089 + 31181056 = 5533^2 + 5584^2 .

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

It is not a de Polignac number, because 61795145 - 2² = 61795141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61795099 and 61795108.

It is not an unprimeable number, because it can be changed into a prime (61795141) 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, 9596 + ... + 14685.

It is an arithmetic number, because the mean of its divisors is an integer number (9287865).

Almost surely, 2^61795145 is an apocalyptic number.

It is an amenable number.

61795145 is a deficient number, since it is larger than the sum of its proper divisors (12507775).

61795145 is a wasteful number, since it uses less digits than its factorization.

61795145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24795.

The product of its digits is 37800, while the sum is 38.

The square root of 61795145 is about 7860.9888054875. The cubic root of 61795145 is about 395.3527692942.

The spelling of 61795145 in words is "sixty-one million, seven hundred ninety-five thousand, one hundred forty-five".