151406305 has 4 divisors (see below), whose sum is σ = 181687572. Its totient is φ = 121125040.

The previous prime is 151406291. The next prime is 151406323. The reversal of 151406305 is 503604151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59706529 + 91699776 = 7727^2 + 9576^2 .

It is not a de Polignac number, because 151406305 - 2²³ = 143017697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151406305.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15140626 + ... + 15140635.

It is an arithmetic number, because the mean of its divisors is an integer number (45421893).

Almost surely, 2^151406305 is an apocalyptic number.

It is an amenable number.

151406305 is a deficient number, since it is larger than the sum of its proper divisors (30281267).

151406305 is an equidigital number, since it uses as much as digits as its factorization.

151406305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30281266.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 151406305 is about 12304.7269372384. The cubic root of 151406305 is about 532.9845912377.

The spelling of 151406305 in words is "one hundred fifty-one million, four hundred six thousand, three hundred five".