61446542 has 4 divisors (see below), whose sum is σ = 92169816. Its totient is φ = 30723270.

The previous prime is 61446533. The next prime is 61446559. The reversal of 61446542 is 24564416.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61446499 and 61446508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15361634 + ... + 15361637.

It is an arithmetic number, because the mean of its divisors is an integer number (23042454).

Almost surely, 2^61446542 is an apocalyptic number.

61446542 is a deficient number, since it is larger than the sum of its proper divisors (30723274).

61446542 is a wasteful number, since it uses less digits than its factorization.

61446542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30723273.

The product of its digits is 23040, while the sum is 32.

The square root of 61446542 is about 7838.7844720977. The cubic root of 61446542 is about 394.6079365689.

The spelling of 61446542 in words is "sixty-one million, four hundred forty-six thousand, five hundred forty-two".