151829021 has 2 divisors, whose sum is σ = 151829022. Its totient is φ = 151829020.

The previous prime is 151828997. The next prime is 151829033. The reversal of 151829021 is 120928151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 54096025 = 9886^2 + 7355^2 .

It is a cyclic number.

It is not a de Polignac number, because 151829021 - 2¹⁰ = 151827997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151829081) 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, 75914510 + 75914511.

It is an arithmetic number, because the mean of its divisors is an integer number (75914511).

Almost surely, 2^151829021 is an apocalyptic number.

It is an amenable number.

151829021 is a deficient number, since it is larger than the sum of its proper divisors (1).

151829021 is an equidigital number, since it uses as much as digits as its factorization.

151829021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 151829021 is about 12321.8919407695. The cubic root of 151829021 is about 533.4801491208.

The spelling of 151829021 in words is "one hundred fifty-one million, eight hundred twenty-nine thousand, twenty-one".