61045460 has 48 divisors (see below), whose sum is σ = 147141120. Its totient is φ = 20839680.

The previous prime is 61045441. The next prime is 61045469. The reversal of 61045460 is 6454016.

It is a happy number.

It is a super-2 number, since 2×61045460² = 7453096373223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61045469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37136 + ... + 38744.

It is an arithmetic number, because the mean of its divisors is an integer number (3065440).

Almost surely, 2^61045460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61045460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73570560).

61045460 is an abundant number, since it is smaller than the sum of its proper divisors (86095660).

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

61045460 is a wasteful number, since it uses less digits than its factorization.

61045460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 61045460 is about 7813.1594121712. The cubic root of 61045460 is about 393.7474826412.

Adding to 61045460 its reverse (6454016), we get a palindrome (67499476).

The spelling of 61045460 in words is "sixty-one million, forty-five thousand, four hundred sixty".