61143484 has 12 divisors (see below), whose sum is σ = 110691000. Its totient is φ = 29517488.

The previous prime is 61143479. The next prime is 61143517. The reversal of 61143484 is 48434116.

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, 263434 + ... + 263665.

It is an arithmetic number, because the mean of its divisors is an integer number (9224250).

Almost surely, 2^61143484 is an apocalyptic number.

It is an amenable number.

61143484 is a deficient number, since it is larger than the sum of its proper divisors (49547516).

61143484 is a wasteful number, since it uses less digits than its factorization.

61143484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527132 (or 527130 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 61143484 is about 7819.4299024929. The cubic root of 61143484 is about 393.9581238186.

The spelling of 61143484 in words is "sixty-one million, one hundred forty-three thousand, four hundred eighty-four".