150813321 has 8 divisors (see below), whose sum is σ = 203037120. Its totient is φ = 99565872.

The previous prime is 150813319. The next prime is 150813343. The reversal of 150813321 is 123318051.

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

It is not a de Polignac number, because 150813321 - 2¹ = 150813319 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 150813291 and 150813300.

It is not an unprimeable number, because it can be changed into a prime (150813361) 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, 243726 + ... + 244343.

It is an arithmetic number, because the mean of its divisors is an integer number (25379640).

Almost surely, 2^150813321 is an apocalyptic number.

It is an amenable number.

150813321 is a deficient number, since it is larger than the sum of its proper divisors (52223799).

150813321 is a wasteful number, since it uses less digits than its factorization.

150813321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488175.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 150813321 is about 12280.6075175457. The cubic root of 150813321 is about 532.2878680710.

The spelling of 150813321 in words is "one hundred fifty million, eight hundred thirteen thousand, three hundred twenty-one".