150663521 has 8 divisors (see below), whose sum is σ = 161282400. Its totient is φ = 140313600.

The previous prime is 150663467. The next prime is 150663523. The reversal of 150663521 is 125366051.

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

It is a cyclic number.

It is not a de Polignac number, because 150663521 - 2¹⁴ = 150647137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150663523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66080 + ... + 68321.

It is an arithmetic number, because the mean of its divisors is an integer number (20160300).

Almost surely, 2^150663521 is an apocalyptic number.

It is an amenable number.

150663521 is a deficient number, since it is larger than the sum of its proper divisors (10618879).

150663521 is a wasteful number, since it uses less digits than its factorization.

150663521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134479.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 150663521 is about 12274.5069554748. The cubic root of 150663521 is about 532.1115725532. Note that the first 3 decimals are identical.

The spelling of 150663521 in words is "one hundred fifty million, six hundred sixty-three thousand, five hundred twenty-one".