45220124 has 24 divisors (see below), whose sum is σ = 80504928. Its totient is φ = 22222400.

The previous prime is 45220117. The next prime is 45220177. The reversal of 45220124 is 42102254.

It is a happy number.

It is a super-2 number, since 2×45220124² = 4089719229150752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45220096 and 45220105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69569 + ... + 70215.

It is an arithmetic number, because the mean of its divisors is an integer number (3354372).

Almost surely, 2^45220124 is an apocalyptic number.

It is an amenable number.

45220124 is a deficient number, since it is larger than the sum of its proper divisors (35284804).

45220124 is a wasteful number, since it uses less digits than its factorization.

45220124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45220124 is about 6724.5909912797. The cubic root of 45220124 is about 356.2683559230.

Adding to 45220124 its reverse (42102254), we get a palindrome (87322378).

The spelling of 45220124 in words is "forty-five million, two hundred twenty thousand, one hundred twenty-four".