61159245 has 16 divisors (see below), whose sum is σ = 111834240. Its totient is φ = 27958464.

The previous prime is 61159243. The next prime is 61159279. The reversal of 61159245 is 54295116.

It is not a de Polignac number, because 61159245 - 2¹ = 61159243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61159243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291130 + ... + 291339.

It is an arithmetic number, because the mean of its divisors is an integer number (6989640).

Almost surely, 2^61159245 is an apocalyptic number.

It is an amenable number.

61159245 is a deficient number, since it is larger than the sum of its proper divisors (50674995).

61159245 is a wasteful number, since it uses less digits than its factorization.

61159245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582484.

The product of its digits is 10800, while the sum is 33.

The square root of 61159245 is about 7820.4376476000. The cubic root of 61159245 is about 393.9919712004.

The spelling of 61159245 in words is "sixty-one million, one hundred fifty-nine thousand, two hundred forty-five".