45261243 has 6 divisors (see below), whose sum is σ = 65377364. Its totient is φ = 30174156.

The previous prime is 45261239. The next prime is 45261277. The reversal of 45261243 is 34216254.

45261243 is a `hidden beast` number, since 4 + 5 + 2 + 612 + 43 = 666.

It is not a de Polignac number, because 45261243 - 2² = 45261239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45261143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2514505 + ... + 2514522.

Almost surely, 2^45261243 is an apocalyptic number.

45261243 is a deficient number, since it is larger than the sum of its proper divisors (20116121).

45261243 is a wasteful number, since it uses less digits than its factorization.

45261243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029033 (or 5029030 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 45261243 is about 6727.6476572425. The cubic root of 45261243 is about 356.3763090436.

Adding to 45261243 its reverse (34216254), we get a palindrome (79477497).

The spelling of 45261243 in words is "forty-five million, two hundred sixty-one thousand, two hundred forty-three".