151153421 has 2 divisors, whose sum is σ = 151153422. Its totient is φ = 151153420.

The previous prime is 151153361. The next prime is 151153439. The reversal of 151153421 is 124351151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149108521 + 2044900 = 12211^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 151153421 - 2⁶ = 151153357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_8505500 and since 151153421 and 8505500 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 (151150421) 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, 75576710 + 75576711.

It is an arithmetic number, because the mean of its divisors is an integer number (75576711).

Almost surely, 2^151153421 is an apocalyptic number.

It is an amenable number.

151153421 is a deficient number, since it is larger than the sum of its proper divisors (1).

151153421 is an equidigital number, since it uses as much as digits as its factorization.

151153421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 151153421 is about 12294.4467545311. The cubic root of 151153421 is about 532.6876895004.

The spelling of 151153421 in words is "one hundred fifty-one million, one hundred fifty-three thousand, four hundred twenty-one".