153209066 has 8 divisors (see below), whose sum is σ = 243332100. Its totient is φ = 72098368.

The previous prime is 153209053. The next prime is 153209071. The reversal of 153209066 is 660902351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151167025 + 2042041 = 12295^2 + 1429^2 .

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, 2253041 + ... + 2253108.

Almost surely, 2^153209066 is an apocalyptic number.

153209066 is a deficient number, since it is larger than the sum of its proper divisors (90123034).

153209066 is a wasteful number, since it uses less digits than its factorization.

153209066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506168.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 153209066 is about 12377.7649840349. The cubic root of 153209066 is about 535.0916266626.

The spelling of 153209066 in words is "one hundred fifty-three million, two hundred nine thousand, sixty-six".