152721098 has 24 divisors (see below), whose sum is σ = 245413476. Its totient is φ = 71030400.

The previous prime is 152721091. The next prime is 152721119. The reversal of 152721098 is 890127251.

It can be written as a sum of positive squares in 2 ways, for example, as 121506529 + 31214569 = 11023^2 + 5587^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152721091) 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 11 ways as a sum of consecutive naturals, for example, 775136 + ... + 775332.

Almost surely, 2^152721098 is an apocalyptic number.

152721098 is a deficient number, since it is larger than the sum of its proper divisors (92692378).

152721098 is a wasteful number, since it uses less digits than its factorization.

152721098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 152721098 is about 12358.0377892285. The cubic root of 152721098 is about 534.5229368828.

The spelling of 152721098 in words is "one hundred fifty-two million, seven hundred twenty-one thousand, ninety-eight".