153421451 has 2 divisors, whose sum is σ = 153421452. Its totient is φ = 153421450.

The previous prime is 153421439. The next prime is 153421469. The reversal of 153421451 is 154124351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153421451 - 2²² = 149227147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153421451.

It is not a weakly prime, because it can be changed into another prime (153421421) 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, 76710725 + 76710726.

It is an arithmetic number, because the mean of its divisors is an integer number (76710726).

Almost surely, 2^153421451 is an apocalyptic number.

153421451 is a deficient number, since it is larger than the sum of its proper divisors (1).

153421451 is an equidigital number, since it uses as much as digits as its factorization.

153421451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 153421451 is about 12386.3413080699. The cubic root of 153421451 is about 535.3387681778.

The spelling of 153421451 in words is "one hundred fifty-three million, four hundred twenty-one thousand, four hundred fifty-one".