151242461 has 2 divisors, whose sum is σ = 151242462. Its totient is φ = 151242460.

The previous prime is 151242449. The next prime is 151242463. The reversal of 151242461 is 164242151.

151242461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146555236 + 4687225 = 12106^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 151242461 - 2¹⁰ = 151241437 is a prime.

Together with 151242463, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151242461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151242463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75621230 + 75621231.

It is an arithmetic number, because the mean of its divisors is an integer number (75621231).

Almost surely, 2^151242461 is an apocalyptic number.

It is an amenable number.

151242461 is a deficient number, since it is larger than the sum of its proper divisors (1).

151242461 is an equidigital number, since it uses as much as digits as its factorization.

151242461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 151242461 is about 12298.0673684933. The cubic root of 151242461 is about 532.7922658117.

The spelling of 151242461 in words is "one hundred fifty-one million, two hundred forty-two thousand, four hundred sixty-one".