153309870 has 96 divisors (see below), whose sum is σ = 467932608. Its totient is φ = 34089984.

The previous prime is 153309853. The next prime is 153309883. The reversal of 153309870 is 78903351.

It is a Curzon number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 20022 + ... + 26598.

It is an arithmetic number, because the mean of its divisors is an integer number (4874298).

Almost surely, 2^153309870 is an apocalyptic number.

153309870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153309870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233966304).

153309870 is an abundant number, since it is smaller than the sum of its proper divisors (314622738).

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

153309870 is a wasteful number, since it uses less digits than its factorization.

153309870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 153309870 is about 12381.8362935390. The cubic root of 153309870 is about 535.2089555567.

It can be divided in two parts, 15330 and 9870, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 153309870 in words is "one hundred fifty-three million, three hundred nine thousand, eight hundred seventy".