45072159 has 16 divisors (see below), whose sum is σ = 66213504. Its totient is φ = 27044000.

The previous prime is 45072143. The next prime is 45072163. The reversal of 45072159 is 95127054.

It is a cyclic number.

It is not a de Polignac number, because 45072159 - 2⁴ = 45072143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45072169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (4138344).

Almost surely, 2^45072159 is an apocalyptic number.

45072159 is a deficient number, since it is larger than the sum of its proper divisors (21141345).

45072159 is a wasteful number, since it uses less digits than its factorization.

45072159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13638.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45072159 is about 6713.5801924160. The cubic root of 45072159 is about 355.8793488175.

It can be divided in two parts, 4507 and 2159, that added together give a palindrome (6666).

The spelling of 45072159 in words is "forty-five million, seventy-two thousand, one hundred fifty-nine".