152169919 has 4 divisors (see below), whose sum is σ = 166003560. Its totient is φ = 138336280.

The previous prime is 152169911. The next prime is 152169961. The reversal of 152169919 is 919961251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919961251 = 11 ⋅83632841.

It is a cyclic number.

It is not a de Polignac number, because 152169919 - 2³ = 152169911 is a prime.

It is a super-2 number, since 2×152169919² = 46311368496933122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152169911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6916804 + ... + 6916825.

It is an arithmetic number, because the mean of its divisors is an integer number (41500890).

Almost surely, 2^152169919 is an apocalyptic number.

152169919 is a deficient number, since it is larger than the sum of its proper divisors (13833641).

152169919 is a wasteful number, since it uses less digits than its factorization.

152169919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833640.

The product of its digits is 43740, while the sum is 43.

The square root of 152169919 is about 12335.7172065511. The cubic root of 152169919 is about 533.8791206610.

It can be divided in two parts, 152 and 169919, that added together give a palindrome (170071).

The spelling of 152169919 in words is "one hundred fifty-two million, one hundred sixty-nine thousand, nine hundred nineteen".