61148358 has 20 divisors (see below), whose sum is σ = 137017980. Its totient is φ = 20382732.

The previous prime is 61148357. The next prime is 61148359. The reversal of 61148358 is 85384116.

61148358 is a `hidden beast` number, since 611 + 4 + 8 + 35 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (61148357) and next prime (61148359).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61148357) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 188568 + ... + 188891.

It is an arithmetic number, because the mean of its divisors is an integer number (6850899).

Almost surely, 2^61148358 is an apocalyptic number.

61148358 is an abundant number, since it is smaller than the sum of its proper divisors (75869622).

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

61148358 is a wasteful number, since it uses less digits than its factorization.

61148358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377473 (or 377464 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 61148358 is about 7819.7415558316. The cubic root of 61148358 is about 393.9685915509.

The spelling of 61148358 in words is "sixty-one million, one hundred forty-eight thousand, three hundred fifty-eight".