152056665 has 12 divisors (see below), whose sum is σ = 263564964. Its totient is φ = 81096864.

The previous prime is 152056661. The next prime is 152056693. The reversal of 152056665 is 566650251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29909961 + 122146704 = 5469^2 + 11052^2 .

It is not a de Polignac number, because 152056665 - 2² = 152056661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152056661) 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 in 11 ways as a sum of consecutive naturals, for example, 1689474 + ... + 1689563.

It is an arithmetic number, because the mean of its divisors is an integer number (21963747).

Almost surely, 2^152056665 is an apocalyptic number.

152056665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152056665 is a deficient number, since it is larger than the sum of its proper divisors (111508299).

152056665 is a wasteful number, since it uses less digits than its factorization.

152056665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379048 (or 3379045 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 152056665 is about 12331.1258610072. The cubic root of 152056665 is about 533.7466394785.

It can be divided in two parts, 1520 and 56665, that added together give a palindrome (58185).

The spelling of 152056665 in words is "one hundred fifty-two million, fifty-six thousand, six hundred sixty-five".