61144153 has 8 divisors (see below), whose sum is σ = 70266560. Its totient is φ = 52118640.

The previous prime is 61144129. The next prime is 61144159. The reversal of 61144153 is 35144116.

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

It is a de Polignac number, because none of the positive numbers 2^k-61144153 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61144159) 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, 22863 + ... + 25396.

It is an arithmetic number, because the mean of its divisors is an integer number (8783320).

Almost surely, 2^61144153 is an apocalyptic number.

It is an amenable number.

61144153 is a deficient number, since it is larger than the sum of its proper divisors (9122407).

61144153 is a wasteful number, since it uses less digits than its factorization.

61144153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48447.

The product of its digits is 1440, while the sum is 25.

The square root of 61144153 is about 7819.4726804306. The cubic root of 61144153 is about 393.9595606412.

Adding to 61144153 its reverse (35144116), we get a palindrome (96288269).

The spelling of 61144153 in words is "sixty-one million, one hundred forty-four thousand, one hundred fifty-three".