45243137 has 8 divisors (see below), whose sum is σ = 48562056. Its totient is φ = 41997312.

The previous prime is 45243127. The next prime is 45243169. The reversal of 45243137 is 73134254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18627856 + 26615281 = 4316^2 + 5159^2 .

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 45243137 - 2⁸ = 45242881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45243127) 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, 16988 + ... + 19469.

It is an arithmetic number, because the mean of its divisors is an integer number (6070257).

Almost surely, 2^45243137 is an apocalyptic number.

It is an amenable number.

45243137 is a deficient number, since it is larger than the sum of its proper divisors (3318919).

45243137 is a wasteful number, since it uses less digits than its factorization.

45243137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547.

The product of its digits is 10080, while the sum is 29.

The square root of 45243137 is about 6726.3018814204. The cubic root of 45243137 is about 356.3287819201.

The spelling of 45243137 in words is "forty-five million, two hundred forty-three thousand, one hundred thirty-seven".