151255665 has 48 divisors (see below), whose sum is σ = 295266816. Its totient is φ = 70963200.

The previous prime is 151255627. The next prime is 151255717. The reversal of 151255665 is 566552151.

151255665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151255665 - 2¹⁴ = 151239281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10417 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (6151392).

Almost surely, 2^151255665 is an apocalyptic number.

151255665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151255665 is a deficient number, since it is larger than the sum of its proper divisors (144011151).

151255665 is a wasteful number, since it uses less digits than its factorization.

151255665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910 (or 9907 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 151255665 is about 12298.6041890940. The cubic root of 151255665 is about 532.8077702415.

The spelling of 151255665 in words is "one hundred fifty-one million, two hundred fifty-five thousand, six hundred sixty-five".