61545348 has 18 divisors (see below), whose sum is σ = 155573054. Its totient is φ = 20515104.

The previous prime is 61545347. The next prime is 61545359. The reversal of 61545348 is 84354516.

It is a happy number.

61545348 is a `hidden beast` number, since 615 + 4 + 5 + 34 + 8 = 666.

61545348 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., 59259204 + 2286144 = 7698^2 + 1512^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×61545348² = 7575659720882208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1709593 = 61545348 / (6 + 1 + 5 + 4 + 5 + 3 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61545347) 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, 854761 + ... + 854832.

Almost surely, 2^61545348 is an apocalyptic number.

It is an amenable number.

61545348 is an abundant number, since it is smaller than the sum of its proper divisors (94027706).

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

61545348 is a wasteful number, since it uses less digits than its factorization.

61545348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709603 (or 1709598 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 61545348 is about 7845.0843207706. The cubic root of 61545348 is about 394.8193330703.

The spelling of 61545348 in words is "sixty-one million, five hundred forty-five thousand, three hundred forty-eight".