45242149 has 8 divisors (see below), whose sum is σ = 46708992. Its totient is φ = 43794240.

The previous prime is 45242143. The next prime is 45242159. The reversal of 45242149 is 94124254.

45242149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45242149 - 2²³ = 36853541 is a prime.

It is a super-2 number, since 2×45242149² = 4093704092276402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45242149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242143) 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, 204 + ... + 9514.

It is an arithmetic number, because the mean of its divisors is an integer number (5838624).

Almost surely, 2^45242149 is an apocalyptic number.

It is an amenable number.

45242149 is a deficient number, since it is larger than the sum of its proper divisors (1466843).

45242149 is a wasteful number, since it uses less digits than its factorization.

45242149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467.

The product of its digits is 11520, while the sum is 31.

The square root of 45242149 is about 6726.2284379881. The cubic root of 45242149 is about 356.3261881168.

The spelling of 45242149 in words is "forty-five million, two hundred forty-two thousand, one hundred forty-nine".