61546045 has 24 divisors (see below), whose sum is σ = 84728448. Its totient is φ = 42804960.

The previous prime is 61546039. The next prime is 61546049. The reversal of 61546045 is 54064516.

It is not a de Polignac number, because 61546045 - 2¹⁹ = 61021757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61545998 and 61546016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61546049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11704 + ... + 16126.

It is an arithmetic number, because the mean of its divisors is an integer number (3530352).

Almost surely, 2^61546045 is an apocalyptic number.

It is an amenable number.

61546045 is a deficient number, since it is larger than the sum of its proper divisors (23182403).

61546045 is a wasteful number, since it uses less digits than its factorization.

61546045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 61546045 is about 7845.1287433668. The cubic root of 61546045 is about 394.8208235053.

The spelling of 61546045 in words is "sixty-one million, five hundred forty-six thousand, forty-five".