61045042 has 8 divisors (see below), whose sum is σ = 94042476. Its totient is φ = 29697552.

The previous prime is 61045037. The next prime is 61045051. The reversal of 61045042 is 24054016.

It can be written as a sum of positive squares in 2 ways, for example, as 58384881 + 2660161 = 7641^2 + 1631^2 .

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

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, 412393 + ... + 412540.

Almost surely, 2^61045042 is an apocalyptic number.

61045042 is a deficient number, since it is larger than the sum of its proper divisors (32997434).

61045042 is a wasteful number, since it uses less digits than its factorization.

61045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824972.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 61045042 is about 7813.1326623833. The cubic root of 61045042 is about 393.7465839294.

Adding to 61045042 its reverse (24054016), we get a palindrome (85099058).

The spelling of 61045042 in words is "sixty-one million, forty-five thousand, forty-two".