45212276 has 12 divisors (see below), whose sum is σ = 81850020. Its totient is φ = 21826560.

The previous prime is 45212263. The next prime is 45212287. The reversal of 45212276 is 67221254.

It is a happy number.

45212276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23775376 + 21436900 = 4876^2 + 4630^2 .

It is a super-2 number, since 2×45212276² = 4088299802200352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194765 + ... + 194996.

It is an arithmetic number, because the mean of its divisors is an integer number (6820835).

Almost surely, 2^45212276 is an apocalyptic number.

It is an amenable number.

45212276 is a deficient number, since it is larger than the sum of its proper divisors (36637744).

45212276 is a wasteful number, since it uses less digits than its factorization.

45212276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389794 (or 389792 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 45212276 is about 6724.0074360459. The cubic root of 45212276 is about 356.2477444815.

The spelling of 45212276 in words is "forty-five million, two hundred twelve thousand, two hundred seventy-six".