61449102 has 48 divisors (see below), whose sum is σ = 156422448. Its totient is φ = 17187840.

The previous prime is 61449083. The next prime is 61449103. The reversal of 61449102 is 20194416.

61449102 is a `hidden beast` number, since 614 + 49 + 1 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61449103) 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, 9363 + ... + 14510.

It is an arithmetic number, because the mean of its divisors is an integer number (3258801).

Almost surely, 2^61449102 is an apocalyptic number.

61449102 is an abundant number, since it is smaller than the sum of its proper divisors (94973346).

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

61449102 is a wasteful number, since it uses less digits than its factorization.

61449102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23905 (or 23902 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61449102 is about 7838.9477610200. The cubic root of 61449102 is about 394.6134165751.

The spelling of 61449102 in words is "sixty-one million, four hundred forty-nine thousand, one hundred two".