61045420 has 12 divisors (see below), whose sum is σ = 128195424. Its totient is φ = 24418160.

The previous prime is 61045399. The next prime is 61045441. The reversal of 61045420 is 2454016.

It is an interprime number because it is at equal distance from previous prime (61045399) and next prime (61045441).

It is a junction number, because it is equal to n+sod(n) for n = 61045391 and 61045400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526116 + ... + 1526155.

It is an arithmetic number, because the mean of its divisors is an integer number (10682952).

Almost surely, 2^61045420 is an apocalyptic number.

It is an amenable number.

61045420 is an abundant number, since it is smaller than the sum of its proper divisors (67150004).

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

61045420 is a wasteful number, since it uses less digits than its factorization.

61045420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052280 (or 3052278 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 61045420 is about 7813.1568523869. The cubic root of 61045420 is about 393.7473966402.

Adding to 61045420 its reverse (2454016), we get a palindrome (63499436).

The spelling of 61045420 in words is "sixty-one million, forty-five thousand, four hundred twenty".