45271151 has 2 divisors, whose sum is σ = 45271152. Its totient is φ = 45271150.

The previous prime is 45271147. The next prime is 45271181. The reversal of 45271151 is 15117254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45271151 - 2² = 45271147 is a prime.

It is a super-2 number, since 2×45271151² = 4098954225729602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45271151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45271181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22635575 + 22635576.

It is an arithmetic number, because the mean of its divisors is an integer number (22635576).

Almost surely, 2^45271151 is an apocalyptic number.

45271151 is a deficient number, since it is larger than the sum of its proper divisors (1).

45271151 is an equidigital number, since it uses as much as digits as its factorization.

45271151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1400, while the sum is 26.

The square root of 45271151 is about 6728.3839813138. The cubic root of 45271151 is about 356.4023115615.

The spelling of 45271151 in words is "forty-five million, two hundred seventy-one thousand, one hundred fifty-one".