151405489 has 2 divisors, whose sum is σ = 151405490. Its totient is φ = 151405488.

The previous prime is 151405487. The next prime is 151405511. The reversal of 151405489 is 984504151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129390625 + 22014864 = 11375^2 + 4692^2 .

It is a cyclic number.

It is not a de Polignac number, because 151405489 - 2¹ = 151405487 is a prime.

Together with 151405487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151405487) 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, 75702744 + 75702745.

It is an arithmetic number, because the mean of its divisors is an integer number (75702745).

Almost surely, 2^151405489 is an apocalyptic number.

It is an amenable number.

151405489 is a deficient number, since it is larger than the sum of its proper divisors (1).

151405489 is an equidigital number, since it uses as much as digits as its factorization.

151405489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 151405489 is about 12304.6937792047. The cubic root of 151405489 is about 532.9836337342.

The spelling of 151405489 in words is "one hundred fifty-one million, four hundred five thousand, four hundred eighty-nine".