152690245 has 4 divisors (see below), whose sum is σ = 183228300. Its totient is φ = 122152192.

The previous prime is 152690207. The next prime is 152690281. The reversal of 152690245 is 542096251.

It is a happy number.

152690245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542096251 = 3313 ⋅163627.

It can be written as a sum of positive squares in 2 ways, for example, as 51365889 + 101324356 = 7167^2 + 10066^2 .

It is a cyclic number.

It is not a de Polignac number, because 152690245 - 2⁷ = 152690117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152690245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15269020 + ... + 15269029.

It is an arithmetic number, because the mean of its divisors is an integer number (45807075).

Almost surely, 2^152690245 is an apocalyptic number.

It is an amenable number.

152690245 is a deficient number, since it is larger than the sum of its proper divisors (30538055).

152690245 is an equidigital number, since it uses as much as digits as its factorization.

152690245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538054.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 152690245 is about 12356.7894292976. The cubic root of 152690245 is about 534.4869393530.

The spelling of 152690245 in words is "one hundred fifty-two million, six hundred ninety thousand, two hundred forty-five".