153542540 has 36 divisors (see below), whose sum is σ = 330567888. Its totient is φ = 59905920.

The previous prime is 153542531. The next prime is 153542593. The reversal of 153542540 is 45245351.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31337 + ... + 35903.

Almost surely, 2^153542540 is an apocalyptic number.

153542540 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 153542540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165283944).

153542540 is an abundant number, since it is smaller than the sum of its proper divisors (177025348).

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

153542540 is a wasteful number, since it uses less digits than its factorization.

153542540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 153542540 is about 12391.2283491186. The cubic root of 153542540 is about 535.4795711511.

Adding to 153542540 its reverse (45245351), we get a palindrome (198787891).

The spelling of 153542540 in words is "one hundred fifty-three million, five hundred forty-two thousand, five hundred forty".