45279261 has 12 divisors (see below), whose sum is σ = 68845920. Its totient is φ = 28597320.

The previous prime is 45279259. The next prime is 45279277. The reversal of 45279261 is 16297254.

45279261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45279261 - 2¹ = 45279259 is a prime.

It is a super-2 number, since 2×45279261² = 4100422953412242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45279061) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 132225 + ... + 132566.

It is an arithmetic number, because the mean of its divisors is an integer number (5737160).

Almost surely, 2^45279261 is an apocalyptic number.

It is an amenable number.

45279261 is a deficient number, since it is larger than the sum of its proper divisors (23566659).

45279261 is a wasteful number, since it uses less digits than its factorization.

45279261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264816 (or 264813 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45279261 is about 6728.9866250424. The cubic root of 45279261 is about 356.4235925915.

The spelling of 45279261 in words is "forty-five million, two hundred seventy-nine thousand, two hundred sixty-one".