151551205 has 8 divisors (see below), whose sum is σ = 195850872. Its totient is φ = 111914688.

The previous prime is 151551203. The next prime is 151551229. The reversal of 151551205 is 502155151.

It can be written as a sum of positive squares in 4 ways, for example, as 113569 + 151437636 = 337^2 + 12306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151551205 - 2¹ = 151551203 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 151551205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151551203) 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 in 7 ways as a sum of consecutive naturals, for example, 1165714 + ... + 1165843.

It is an arithmetic number, because the mean of its divisors is an integer number (24481359).

Almost surely, 2^151551205 is an apocalyptic number.

It is an amenable number.

151551205 is a deficient number, since it is larger than the sum of its proper divisors (44299667).

151551205 is a wasteful number, since it uses less digits than its factorization.

151551205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331575.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 151551205 is about 12310.6135103008. The cubic root of 151551205 is about 533.1545639995.

The spelling of 151551205 in words is "one hundred fifty-one million, five hundred fifty-one thousand, two hundred five".