152678197 has 4 divisors (see below), whose sum is σ = 174489376. Its totient is φ = 130867020.

The previous prime is 152678189. The next prime is 152678249. The reversal of 152678197 is 791876251.

It is a happy number.

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 152678197 - 2³ = 152678189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152678147) 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, 10905579 + ... + 10905592.

It is an arithmetic number, because the mean of its divisors is an integer number (43622344).

Almost surely, 2^152678197 is an apocalyptic number.

It is an amenable number.

152678197 is a deficient number, since it is larger than the sum of its proper divisors (21811179).

152678197 is an equidigital number, since it uses as much as digits as its factorization.

152678197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21811178.

The product of its digits is 211680, while the sum is 46.

The square root of 152678197 is about 12356.3019144079. The cubic root of 152678197 is about 534.4728811137.

It can be divided in two parts, 1526781 and 97, that added together give a triangular number (1526878 = T₁₇₄₇).

The spelling of 152678197 in words is "one hundred fifty-two million, six hundred seventy-eight thousand, one hundred ninety-seven".