61145130 has 32 divisors (see below), whose sum is σ = 147744000. Its totient is φ = 16194752.

The previous prime is 61145111. The next prime is 61145177. The reversal of 61145130 is 3154116.

It is a junction number, because it is equal to n+sod(n) for n = 61145097 and 61145106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^61145130 is an apocalyptic number.

61145130 is an abundant number, since it is smaller than the sum of its proper divisors (86598870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61145130 is a wasteful number, since it uses less digits than its factorization.

61145130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 61145130 is about 7819.5351524243. The cubic root of 61145130 is about 393.9616589418.

Adding to 61145130 its reverse (3154116), we get a palindrome (64299246).

The spelling of 61145130 in words is "sixty-one million, one hundred forty-five thousand, one hundred thirty".