153798840 has 192 divisors, whose sum is σ = 548402400. Its totient is φ = 37149696.

The previous prime is 153798839. The next prime is 153798857. The reversal of 153798840 is 48897351.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275842 + ... + 276398.

Almost surely, 2^153798840 is an apocalyptic number.

153798840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153798840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274201200).

153798840 is an abundant number, since it is smaller than the sum of its proper divisors (394603560).

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

153798840 is a wasteful number, since it uses less digits than its factorization.

153798840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 153798840 is about 12401.5660301431. The cubic root of 153798840 is about 535.7773542510. Note that the first 3 decimals are identical.

The spelling of 153798840 in words is "one hundred fifty-three million, seven hundred ninety-eight thousand, eight hundred forty".