153255690 has 48 divisors (see below), whose sum is σ = 455390208. Its totient is φ = 35029728.

The previous prime is 153255679. The next prime is 153255709. The reversal of 153255690 is 96552351.

153255690 is a `hidden beast` number, since 15 + 3 + 2 + 556 + 90 = 666.

It is a super-2 number, since 2×153255690² = 46974613034752200, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 121002 + ... + 122261.

It is an arithmetic number, because the mean of its divisors is an integer number (9487296).

Almost surely, 2^153255690 is an apocalyptic number.

153255690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153255690 is an abundant number, since it is smaller than the sum of its proper divisors (302134518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153255690 is a wasteful number, since it uses less digits than its factorization.

153255690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243283 (or 243280 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 153255690 is about 12379.6482179422. The cubic root of 153255690 is about 535.1459001735.

The spelling of 153255690 in words is "one hundred fifty-three million, two hundred fifty-five thousand, six hundred ninety".