45229749 has 8 divisors (see below), whose sum is σ = 60592992. Its totient is φ = 30009840.

The previous prime is 45229739. The next prime is 45229759. The reversal of 45229749 is 94792254.

45229749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45229739) and next prime (45229759).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45229749 - 2⁷ = 45229621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45229749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45229739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35094 + ... + 36359.

It is an arithmetic number, because the mean of its divisors is an integer number (7574124).

Almost surely, 2^45229749 is an apocalyptic number.

It is an amenable number.

45229749 is a deficient number, since it is larger than the sum of its proper divisors (15363243).

45229749 is a wasteful number, since it uses less digits than its factorization.

45229749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71667.

The product of its digits is 181440, while the sum is 42.

The square root of 45229749 is about 6725.3066101108. The cubic root of 45229749 is about 356.2936310981.

The spelling of 45229749 in words is "forty-five million, two hundred twenty-nine thousand, seven hundred forty-nine".