151125181 has 2 divisors, whose sum is σ = 151125182. Its totient is φ = 151125180.

The previous prime is 151125167. The next prime is 151125199. The reversal of 151125181 is 181521151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86322681 + 64802500 = 9291^2 + 8050^2 .

It is a cyclic number.

It is not a de Polignac number, because 151125181 - 2²¹ = 149028029 is a prime.

It is a super-2 number, since 2×151125181² = 45677640664565522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151125151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75562590 + 75562591.

It is an arithmetic number, because the mean of its divisors is an integer number (75562591).

Almost surely, 2^151125181 is an apocalyptic number.

It is an amenable number.

151125181 is a deficient number, since it is larger than the sum of its proper divisors (1).

151125181 is an equidigital number, since it uses as much as digits as its factorization.

151125181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 25.

The square root of 151125181 is about 12293.2982148811. The cubic root of 151125181 is about 532.6545134131.

The spelling of 151125181 in words is "one hundred fifty-one million, one hundred twenty-five thousand, one hundred eighty-one".