61545453246 has 24 divisors (see below), whose sum is σ = 133415670024. Its totient is φ = 20504814480.

The previous prime is 61545453227. The next prime is 61545453317. The reversal of 61545453246 is 64235454516.

61545453246 is a `hidden beast` number, since 6 + 154 + 5 + 453 + 2 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824625 + ... + 896156.

It is an arithmetic number, because the mean of its divisors is an integer number (5558986251).

Almost surely, 2^61545453246 is an apocalyptic number.

61545453246 is an abundant number, since it is smaller than the sum of its proper divisors (71870216778).

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

61545453246 is a wasteful number, since it uses less digits than its factorization.

61545453246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722776 (or 1722773 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 61545453246 in words is "sixty-one billion, five hundred forty-five million, four hundred fifty-three thousand, two hundred forty-six".