151272945 has 12 divisors (see below), whose sum is σ = 262206516. Its totient is φ = 80678880.

The previous prime is 151272943. The next prime is 151272959. The reversal of 151272945 is 549272151.

It can be written as a sum of positive squares in 2 ways, for example, as 64112049 + 87160896 = 8007^2 + 9336^2 .

It is not a de Polignac number, because 151272945 - 2¹ = 151272943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151272943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680766 + ... + 1680855.

It is an arithmetic number, because the mean of its divisors is an integer number (21850543).

Almost surely, 2^151272945 is an apocalyptic number.

151272945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151272945 is a deficient number, since it is larger than the sum of its proper divisors (110933571).

151272945 is a wasteful number, since it uses less digits than its factorization.

151272945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361632 (or 3361629 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 151272945 is about 12299.3066877772. The cubic root of 151272945 is about 532.8280594379.

The spelling of 151272945 in words is "one hundred fifty-one million, two hundred seventy-two thousand, nine hundred forty-five".