45354381 has 4 divisors (see below), whose sum is σ = 60472512. Its totient is φ = 30236252.

The previous prime is 45354359. The next prime is 45354383. The reversal of 45354381 is 18345354.

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 45354381 - 2¹⁷ = 45223309 is a prime.

It is a super-2 number, since 2×45354381² = 4114039751786322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45354383) 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, 7559061 + ... + 7559066.

It is an arithmetic number, because the mean of its divisors is an integer number (15118128).

Almost surely, 2^45354381 is an apocalyptic number.

It is an amenable number.

45354381 is a deficient number, since it is larger than the sum of its proper divisors (15118131).

45354381 is a wasteful number, since it uses less digits than its factorization.

45354381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118130.

The product of its digits is 28800, while the sum is 33.

The square root of 45354381 is about 6734.5661330185. The cubic root of 45354381 is about 356.6205904124.

The spelling of 45354381 in words is "forty-five million, three hundred fifty-four thousand, three hundred eighty-one".