153858240 has 168 divisors, whose sum is σ = 542531808. Its totient is φ = 39997440.

The previous prime is 153858217. The next prime is 153858241. The reversal of 153858240 is 42858351.

It is a happy number.

153858240 is a `hidden beast` number, since 1 + 5 + 38 + 582 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 153858195 and 153858204.

It is not an unprimeable number, because it can be changed into a prime (153858241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117429 + ... + 118731.

It is an arithmetic number, because the mean of its divisors is an integer number (3229356).

Almost surely, 2^153858240 is an apocalyptic number.

153858240 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 153858240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271265904).

153858240 is an abundant number, since it is smaller than the sum of its proper divisors (388673568).

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

153858240 is a wasteful number, since it uses less digits than its factorization.

153858240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 153858240 is about 12403.9606577899. The cubic root of 153858240 is about 535.8463211313.

The spelling of 153858240 in words is "one hundred fifty-three million, eight hundred fifty-eight thousand, two hundred forty".