61045142622 has 32 divisors (see below), whose sum is σ = 126541975680. Its totient is φ = 19609117920.

The previous prime is 61045142581. The next prime is 61045142633. The reversal of 61045142622 is 22624154016.

It is a congruent number.

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, 244404 + ... + 426407.

It is an arithmetic number, because the mean of its divisors is an integer number (3954436740).

Almost surely, 2^61045142622 is an apocalyptic number.

61045142622 is an abundant number, since it is smaller than the sum of its proper divisors (65496833058).

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

61045142622 is a wasteful number, since it uses less digits than its factorization.

61045142622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671368.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 61045142622 its reverse (22624154016), we get a palindrome (83669296638).

The spelling of 61045142622 in words is "sixty-one billion, forty-five million, one hundred forty-two thousand, six hundred twenty-two".