45274145 has 16 divisors (see below), whose sum is σ = 65743488. Its totient is φ = 29218560.

The previous prime is 45274123. The next prime is 45274147. The reversal of 45274145 is 54147254.

It is not a de Polignac number, because 45274145 - 2⁶ = 45274081 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45274147) 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 15 ways as a sum of consecutive naturals, for example, 37451 + ... + 38640.

It is an arithmetic number, because the mean of its divisors is an integer number (4108968).

Almost surely, 2^45274145 is an apocalyptic number.

It is an amenable number.

45274145 is a deficient number, since it is larger than the sum of its proper divisors (20469343).

45274145 is a wasteful number, since it uses less digits than its factorization.

45274145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76120.

The product of its digits is 22400, while the sum is 32.

The square root of 45274145 is about 6728.6064679100. The cubic root of 45274145 is about 356.4101682574.

The spelling of 45274145 in words is "forty-five million, two hundred seventy-four thousand, one hundred forty-five".