45980842 has 4 divisors (see below), whose sum is σ = 68971266. Its totient is φ = 22990420.

The previous prime is 45980821. The next prime is 45980849. The reversal of 45980842 is 24808954.

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., 44235801 + 1745041 = 6651^2 + 1321^2 .

It is a super-2 number, since 2×45980842² = 4228475662057928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45980795 and 45980804.

It is not an unprimeable number, because it can be changed into a prime (45980849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11495209 + ... + 11495212.

Almost surely, 2^45980842 is an apocalyptic number.

45980842 is a deficient number, since it is larger than the sum of its proper divisors (22990424).

45980842 is a wasteful number, since it uses less digits than its factorization.

45980842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990423.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 45980842 is about 6780.9174895437. The cubic root of 45980842 is about 358.2550381430.

The spelling of 45980842 in words is "forty-five million, nine hundred eighty thousand, eight hundred forty-two".