151722451 has 2 divisors, whose sum is σ = 151722452. Its totient is φ = 151722450.

The previous prime is 151722449. The next prime is 151722457. The reversal of 151722451 is 154227151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151722451 - 2¹ = 151722449 is a prime.

Together with 151722449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151722457) 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, 75861225 + 75861226.

It is an arithmetic number, because the mean of its divisors is an integer number (75861226).

Almost surely, 2^151722451 is an apocalyptic number.

151722451 is a deficient number, since it is larger than the sum of its proper divisors (1).

151722451 is an equidigital number, since it uses as much as digits as its factorization.

151722451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 151722451 is about 12317.5667645846. The cubic root of 151722451 is about 533.3553019163.

The spelling of 151722451 in words is "one hundred fifty-one million, seven hundred twenty-two thousand, four hundred fifty-one".