151530461 has 2 divisors, whose sum is σ = 151530462. Its totient is φ = 151530460.

The previous prime is 151530427. The next prime is 151530493. The reversal of 151530461 is 164035151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148986436 + 2544025 = 12206^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 151530461 - 2¹⁸ = 151268317 is a prime.

It is a super-2 number, since 2×151530461² = 45922961221745042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151530461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151530761) 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 as a sum of consecutive naturals, namely, 75765230 + 75765231.

It is an arithmetic number, because the mean of its divisors is an integer number (75765231).

Almost surely, 2^151530461 is an apocalyptic number.

It is an amenable number.

151530461 is a deficient number, since it is larger than the sum of its proper divisors (1).

151530461 is an equidigital number, since it uses as much as digits as its factorization.

151530461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 151530461 is about 12309.7709564394. The cubic root of 151530461 is about 533.1302372097.

The spelling of 151530461 in words is "one hundred fifty-one million, five hundred thirty thousand, four hundred sixty-one".