61454546 has 4 divisors (see below), whose sum is σ = 92181822. Its totient is φ = 30727272.

The previous prime is 61454543. The next prime is 61454557. The reversal of 61454546 is 64545416.

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

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 12524521 = 6995^2 + 3539^2 .

It is a super-2 number, since 2×61454546² = 7553322448132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61454543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15363635 + ... + 15363638.

Almost surely, 2^61454546 is an apocalyptic number.

61454546 is a deficient number, since it is larger than the sum of its proper divisors (30727276).

61454546 is a wasteful number, since it uses less digits than its factorization.

61454546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30727275.

The product of its digits is 57600, while the sum is 35.

The square root of 61454546 is about 7839.2949938116. The cubic root of 61454546 is about 394.6250696448.

The spelling of 61454546 in words is "sixty-one million, four hundred fifty-four thousand, five hundred forty-six".