45039151 has 4 divisors (see below), whose sum is σ = 45056704. Its totient is φ = 45021600.

The previous prime is 45039143. The next prime is 45039157. The reversal of 45039151 is 15193054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45039151 - 2³ = 45039143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45039157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4095 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (11264176).

Almost surely, 2^45039151 is an apocalyptic number.

45039151 is a deficient number, since it is larger than the sum of its proper divisors (17553).

45039151 is a wasteful number, since it uses less digits than its factorization.

45039151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 45039151 is about 6711.1214413092. The cubic root of 45039151 is about 355.7924530890.

It can be divided in two parts, 450 and 39151, that added together give a square (39601 = 199²).

The spelling of 45039151 in words is "forty-five million, thirty-nine thousand, one hundred fifty-one".