152874493 has 2 divisors, whose sum is σ = 152874494. Its totient is φ = 152874492.

The previous prime is 152874473. The next prime is 152874497. The reversal of 152874493 is 394478251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146458404 + 6416089 = 12102^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 152874493 - 2⁵ = 152874461 is a prime.

It is a super-2 number, since 2×152874493² = 46741221220014098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152874497) 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 as a sum of consecutive naturals, namely, 76437246 + 76437247.

It is an arithmetic number, because the mean of its divisors is an integer number (76437247).

Almost surely, 2^152874493 is an apocalyptic number.

It is an amenable number.

152874493 is a deficient number, since it is larger than the sum of its proper divisors (1).

152874493 is an equidigital number, since it uses as much as digits as its factorization.

152874493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 152874493 is about 12364.2425162240. The cubic root of 152874493 is about 534.7018375295.

The spelling of 152874493 in words is "one hundred fifty-two million, eight hundred seventy-four thousand, four hundred ninety-three".