61145101 has 4 divisors (see below), whose sum is σ = 61215232. Its totient is φ = 61074972.

The previous prime is 61145099. The next prime is 61145111. The reversal of 61145101 is 10154116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61145101 - 2¹ = 61145099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33741 + ... + 35506.

It is an arithmetic number, because the mean of its divisors is an integer number (15303808).

Almost surely, 2^61145101 is an apocalyptic number.

It is an amenable number.

61145101 is a deficient number, since it is larger than the sum of its proper divisors (70131).

61145101 is an equidigital number, since it uses as much as digits as its factorization.

61145101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70130.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 61145101 is about 7819.5332980939. The cubic root of 61145101 is about 393.9615966589.

Adding to 61145101 its reverse (10154116), we get a palindrome (71299217).

The spelling of 61145101 in words is "sixty-one million, one hundred forty-five thousand, one hundred one".