152077321 has 8 divisors (see below), whose sum is σ = 167372064. Its totient is φ = 137027520.

The previous prime is 152077319. The next prime is 152077327. The reversal of 152077321 is 123770251.

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 152077321 - 2¹ = 152077319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152077321.

It is not an unprimeable number, because it can be changed into a prime (152077327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59931 + ... + 62416.

It is an arithmetic number, because the mean of its divisors is an integer number (20921508).

Almost surely, 2^152077321 is an apocalyptic number.

152077321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152077321 is a deficient number, since it is larger than the sum of its proper divisors (15294743).

152077321 is a wasteful number, since it uses less digits than its factorization.

152077321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122471.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 152077321 is about 12331.9633878795. The cubic root of 152077321 is about 533.7708071605.

The spelling of 152077321 in words is "one hundred fifty-two million, seventy-seven thousand, three hundred twenty-one".