61030142 has 8 divisors (see below), whose sum is σ = 91858536. Its totient is φ = 30410632.

The previous prime is 61030133. The next prime is 61030157. The reversal of 61030142 is 24103016.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61030142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51488 + ... + 52659.

It is an arithmetic number, because the mean of its divisors is an integer number (11482317).

Almost surely, 2^61030142 is an apocalyptic number.

61030142 is a deficient number, since it is larger than the sum of its proper divisors (30828394).

61030142 is a wasteful number, since it uses less digits than its factorization.

61030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104442.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 61030142 is about 7812.1790814087. The cubic root of 61030142 is about 393.7145458293.

Adding to 61030142 its reverse (24103016), we get a palindrome (85133158).

It can be divided in two parts, 6103014 and 2, that added together give a palindrome (6103016).

The spelling of 61030142 in words is "sixty-one million, thirty thousand, one hundred forty-two".