45649155 has 8 divisors (see below), whose sum is σ = 73038672. Its totient is φ = 24346208.

The previous prime is 45649139. The next prime is 45649159. The reversal of 45649155 is 55194654.

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 45649155 - 2⁴ = 45649139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45649159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521624 + ... + 1521653.

It is an arithmetic number, because the mean of its divisors is an integer number (9129834).

Almost surely, 2^45649155 is an apocalyptic number.

45649155 is a deficient number, since it is larger than the sum of its proper divisors (27389517).

45649155 is a wasteful number, since it uses less digits than its factorization.

45649155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043285.

The product of its digits is 108000, while the sum is 39.

The square root of 45649155 is about 6756.4158397778. The cubic root of 45649155 is about 357.3915233174.

The spelling of 45649155 in words is "forty-five million, six hundred forty-nine thousand, one hundred fifty-five".