152997697 has 8 divisors (see below), whose sum is σ = 156093480. Its totient is φ = 149909760.

The previous prime is 152997661. The next prime is 152997721. The reversal of 152997697 is 796799251.

It can be written as a sum of positive squares in 4 ways, for example, as 27468081 + 125529616 = 5241^2 + 11204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152997697 - 2¹¹ = 152995649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152991697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52047 + ... + 54907.

It is an arithmetic number, because the mean of its divisors is an integer number (19511685).

Almost surely, 2^152997697 is an apocalyptic number.

It is an amenable number.

152997697 is a deficient number, since it is larger than the sum of its proper divisors (3095783).

152997697 is a wasteful number, since it uses less digits than its factorization.

152997697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its digits is 2143260, while the sum is 55.

The square root of 152997697 is about 12369.2237832453. The cubic root of 152997697 is about 534.8454405479.

The spelling of 152997697 in words is "one hundred fifty-two million, nine hundred ninety-seven thousand, six hundred ninety-seven".