151153661 has 2 divisors, whose sum is σ = 151153662. Its totient is φ = 151153660.

The previous prime is 151153619. The next prime is 151153663. The reversal of 151153661 is 166351151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151044100 + 109561 = 12290^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 151153661 - 2¹⁰ = 151152637 is a prime.

It is a Sophie Germain prime.

Together with 151153663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p_8505515 and since 151153661 and 8505515 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151153663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75576830 + 75576831.

It is an arithmetic number, because the mean of its divisors is an integer number (75576831).

Almost surely, 2^151153661 is an apocalyptic number.

It is an amenable number.

151153661 is a deficient number, since it is larger than the sum of its proper divisors (1).

151153661 is an equidigital number, since it uses as much as digits as its factorization.

151153661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 151153661 is about 12294.4565150315. The cubic root of 151153661 is about 532.6879714324.

The spelling of 151153661 in words is "one hundred fifty-one million, one hundred fifty-three thousand, six hundred sixty-one".