151443641 has 2 divisors, whose sum is σ = 151443642. Its totient is φ = 151443640.

The previous prime is 151443637. The next prime is 151443647. The reversal of 151443641 is 146344151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151388416 + 55225 = 12304^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 151443641 - 2² = 151443637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151443647) 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, 75721820 + 75721821.

It is an arithmetic number, because the mean of its divisors is an integer number (75721821).

Almost surely, 2^151443641 is an apocalyptic number.

It is an amenable number.

151443641 is a deficient number, since it is larger than the sum of its proper divisors (1).

151443641 is an equidigital number, since it uses as much as digits as its factorization.

151443641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 151443641 is about 12306.2439842545. The cubic root of 151443641 is about 533.0283980378.

Adding to 151443641 its reverse (146344151), we get a palindrome (297787792).

The spelling of 151443641 in words is "one hundred fifty-one million, four hundred forty-three thousand, six hundred forty-one".