61454042 has 8 divisors (see below), whose sum is σ = 99271956. Its totient is φ = 28363392.

The previous prime is 61454027. The next prime is 61454093. The reversal of 61454042 is 24045416.

It can be written as a sum of positive squares in 2 ways, for example, as 61293241 + 160801 = 7829^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2363617 = 61454042 / (6 + 1 + 4 + 5 + 4 + 0 + 4 + 2).

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, 1181783 + ... + 1181834.

Almost surely, 2^61454042 is an apocalyptic number.

61454042 is a deficient number, since it is larger than the sum of its proper divisors (37817914).

61454042 is a wasteful number, since it uses less digits than its factorization.

61454042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363632.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 61454042 is about 7839.2628479979. The cubic root of 61454042 is about 394.6239908443.

Adding to 61454042 its reverse (24045416), we get a palindrome (85499458).

The spelling of 61454042 in words is "sixty-one million, four hundred fifty-four thousand, forty-two".