61148394 has 12 divisors (see below), whose sum is σ = 132488226. Its totient is φ = 20382792.

The previous prime is 61148393. The next prime is 61148401. The reversal of 61148394 is 49384116.

61148394 is a `hidden beast` number, since 611 + 4 + 8 + 39 + 4 = 666.

61148394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 29844369 = 5595^2 + 5463^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61148393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1698549 + ... + 1698584.

Almost surely, 2^61148394 is an apocalyptic number.

61148394 is an abundant number, since it is smaller than the sum of its proper divisors (71339832).

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

61148394 is a wasteful number, since it uses less digits than its factorization.

61148394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397141 (or 3397138 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 61148394 is about 7819.7438576976. The cubic root of 61148394 is about 393.9686688649.

The spelling of 61148394 in words is "sixty-one million, one hundred forty-eight thousand, three hundred ninety-four".