151204643 has 2 divisors, whose sum is σ = 151204644. Its totient is φ = 151204642.

The previous prime is 151204633. The next prime is 151204661. The reversal of 151204643 is 346402151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151204643 - 2²⁰ = 150156067 is a prime.

It is a Sophie Germain prime.

It is equal to p_8508230 and since 151204643 and 8508230 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (151204633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75602321 + 75602322.

It is an arithmetic number, because the mean of its divisors is an integer number (75602322).

Almost surely, 2^151204643 is an apocalyptic number.

151204643 is a deficient number, since it is larger than the sum of its proper divisors (1).

151204643 is an equidigital number, since it uses as much as digits as its factorization.

151204643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 151204643 is about 12296.5297137038. The cubic root of 151204643 is about 532.7478540827.

Adding to 151204643 its reverse (346402151), we get a palindrome (497606794).

The spelling of 151204643 in words is "one hundred fifty-one million, two hundred four thousand, six hundred forty-three".