45126381 has 8 divisors (see below), whose sum is σ = 63707904. Its totient is φ = 28314560.

The previous prime is 45126379. The next prime is 45126409. The reversal of 45126381 is 18362154.

45126381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45126381 - 2¹ = 45126379 is a prime.

It is a super-2 number, since 2×45126381² = 4072780524314322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45126181) 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 7 ways as a sum of consecutive naturals, for example, 442365 + ... + 442466.

It is an arithmetic number, because the mean of its divisors is an integer number (7963488).

Almost surely, 2^45126381 is an apocalyptic number.

It is an amenable number.

45126381 is a deficient number, since it is larger than the sum of its proper divisors (18581523).

45126381 is a wasteful number, since it uses less digits than its factorization.

45126381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884851.

The product of its digits is 5760, while the sum is 30.

The square root of 45126381 is about 6717.6172114821. The cubic root of 45126381 is about 356.0219997556.

The spelling of 45126381 in words is "forty-five million, one hundred twenty-six thousand, three hundred eighty-one".