152544649 has 2 divisors, whose sum is σ = 152544650. Its totient is φ = 152544648.

The previous prime is 152544617. The next prime is 152544659. The reversal of 152544649 is 946445251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147185424 + 5359225 = 12132^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 152544649 - 2⁵ = 152544617 is a prime.

It is not a weakly prime, because it can be changed into another prime (152544659) 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 as a sum of consecutive naturals, namely, 76272324 + 76272325.

It is an arithmetic number, because the mean of its divisors is an integer number (76272325).

Almost surely, 2^152544649 is an apocalyptic number.

It is an amenable number.

152544649 is a deficient number, since it is larger than the sum of its proper divisors (1).

152544649 is an equidigital number, since it uses as much as digits as its factorization.

152544649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 152544649 is about 12350.8966880952. The cubic root of 152544649 is about 534.3170007341.

The spelling of 152544649 in words is "one hundred fifty-two million, five hundred forty-four thousand, six hundred forty-nine".