152181466 has 8 divisors (see below), whose sum is σ = 228467124. Its totient is φ = 76025760.

The previous prime is 152181401. The next prime is 152181479. The reversal of 152181466 is 664181251.

It can be written as a sum of positive squares in 2 ways, for example, as 152152225 + 29241 = 12335^2 + 171^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29505 + ... + 34276.

Almost surely, 2^152181466 is an apocalyptic number.

152181466 is a deficient number, since it is larger than the sum of its proper divisors (76285658).

152181466 is a wasteful number, since it uses less digits than its factorization.

152181466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64976.

The product of its digits is 11520, while the sum is 34.

The square root of 152181466 is about 12336.1852288299. The cubic root of 152181466 is about 533.8926243073.

The spelling of 152181466 in words is "one hundred fifty-two million, one hundred eighty-one thousand, four hundred sixty-six".