61145147484 has 60 divisors (see below), whose sum is σ = 162861492024. Its totient is φ = 19997149536.

The previous prime is 61145147473. The next prime is 61145147533. The reversal of 61145147484 is 48474154116.

61145147484 is a `hidden beast` number, since 6 + 114 + 51 + 4 + 7 + 484 = 666.

It is a super-2 number, since 2×61145147484² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1763202 + ... + 1797545.

Almost surely, 2^61145147484 is an apocalyptic number.

It is an amenable number.

61145147484 is an abundant number, since it is smaller than the sum of its proper divisors (101716344540).

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

61145147484 is a wasteful number, since it uses less digits than its factorization.

61145147484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560816 (or 3560805 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 61145147484 in words is "sixty-one billion, one hundred forty-five million, one hundred forty-seven thousand, four hundred eighty-four".