45343381 has 4 divisors (see below), whose sum is σ = 45783712. Its totient is φ = 44903052.

The previous prime is 45343357. The next prime is 45343387. The reversal of 45343381 is 18334354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45343381 - 2¹¹ = 45341333 is a prime.

It is a super-2 number, since 2×45343381² = 4112044401022322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45343387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220011 + ... + 220216.

It is an arithmetic number, because the mean of its divisors is an integer number (11445928).

Almost surely, 2^45343381 is an apocalyptic number.

It is an amenable number.

45343381 is a deficient number, since it is larger than the sum of its proper divisors (440331).

45343381 is a wasteful number, since it uses less digits than its factorization.

45343381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440330.

The product of its digits is 17280, while the sum is 31.

The square root of 45343381 is about 6733.7494013365. The cubic root of 45343381 is about 356.5917571546.

It can be divided in two parts, 453 and 43381, that added together give a palindrome (43834).

The spelling of 45343381 in words is "forty-five million, three hundred forty-three thousand, three hundred eighty-one".