152500229 has 4 divisors (see below), whose sum is σ = 174285984. Its totient is φ = 130714476.

The previous prime is 152500171. The next prime is 152500237. The reversal of 152500229 is 922005251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152500229 - 2¹⁶ = 152434693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 152500198 and 152500207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152500429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10892867 + ... + 10892880.

It is an arithmetic number, because the mean of its divisors is an integer number (43571496).

Almost surely, 2^152500229 is an apocalyptic number.

It is an amenable number.

152500229 is a deficient number, since it is larger than the sum of its proper divisors (21785755).

152500229 is an equidigital number, since it uses as much as digits as its factorization.

152500229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785754.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 152500229 is about 12349.0983071640. The cubic root of 152500229 is about 534.2651324987.

The spelling of 152500229 in words is "one hundred fifty-two million, five hundred thousand, two hundred twenty-nine".