152236661 has 2 divisors, whose sum is σ = 152236662. Its totient is φ = 152236660.

The previous prime is 152236633. The next prime is 152236673. The reversal of 152236661 is 166632251.

152236661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 67486225 = 9206^2 + 8215^2 .

It is a cyclic number.

It is not a de Polignac number, because 152236661 - 2⁶ = 152236597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152236561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76118330 + 76118331.

It is an arithmetic number, because the mean of its divisors is an integer number (76118331).

Almost surely, 2^152236661 is an apocalyptic number.

It is an amenable number.

152236661 is a deficient number, since it is larger than the sum of its proper divisors (1).

152236661 is an equidigital number, since it uses as much as digits as its factorization.

152236661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 152236661 is about 12338.4221438562. The cubic root of 152236661 is about 533.9571626997.

It can be divided in two parts, 1522 and 36661, that added together give a palindrome (38183).

The spelling of 152236661 in words is "one hundred fifty-two million, two hundred thirty-six thousand, six hundred sixty-one".