152666 has 4 divisors (see below), whose sum is σ = 229002. Its totient is φ = 76332.

The previous prime is 152657. The next prime is 152671. The reversal of 152666 is 666251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666251 = 281 ⋅2371.

It can be written as a sum of positive squares in only one way, i.e., 143641 + 9025 = 379^2 + 95^2 .

152666 is a modest number, since divided by 666 gives 152 as remainder.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38165 + ... + 38168.

2¹⁵²⁶⁶⁶ is an apocalyptic number.

152666 is a deficient number, since it is larger than the sum of its proper divisors (76336).

152666 is an equidigital number, since it uses as much as digits as its factorization.

152666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76335.

The product of its digits is 2160, while the sum is 26.

The square root of 152666 is about 390.7249672084. The cubic root of 152666 is about 53.4458648260.

It can be divided in two parts, 152 and 666, that added together give a palindrome (818).

The spelling of 152666 in words is "one hundred fifty-two thousand, six hundred sixty-six".