45348649 has 4 divisors (see below), whose sum is σ = 47735440. Its totient is φ = 42961860.

The previous prime is 45348647. The next prime is 45348659. The reversal of 45348649 is 94684354.

It is a happy number.

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 45348649 - 2¹ = 45348647 is a prime.

It is a super-2 number, since 2×45348649² = 4112999932250402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45348647) 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, 1193367 + ... + 1193404.

It is an arithmetic number, because the mean of its divisors is an integer number (11933860).

Almost surely, 2^45348649 is an apocalyptic number.

It is an amenable number.

45348649 is a deficient number, since it is larger than the sum of its proper divisors (2386791).

45348649 is a wasteful number, since it uses less digits than its factorization.

45348649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386790.

The product of its digits is 414720, while the sum is 43.

The square root of 45348649 is about 6734.1405539237. The cubic root of 45348649 is about 356.6055662457.

The spelling of 45348649 in words is "forty-five million, three hundred forty-eight thousand, six hundred forty-nine".