61463445 has 16 divisors (see below), whose sum is σ = 99690432. Its totient is φ = 32330880.

The previous prime is 61463431. The next prime is 61463453. The reversal of 61463445 is 54436416.

It is not a de Polignac number, because 61463445 - 2⁷ = 61463317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26971 + ... + 29160.

It is an arithmetic number, because the mean of its divisors is an integer number (6230652).

Almost surely, 2^61463445 is an apocalyptic number.

It is an amenable number.

61463445 is a deficient number, since it is larger than the sum of its proper divisors (38226987).

61463445 is a wasteful number, since it uses less digits than its factorization.

61463445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56212.

The product of its digits is 34560, while the sum is 33.

The square root of 61463445 is about 7839.8625625709. The cubic root of 61463445 is about 394.6441167792.

It can be divided in two parts, 6146 and 3445, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 61463445 in words is "sixty-one million, four hundred sixty-three thousand, four hundred forty-five".