243151027000 has 128 divisors (see below), whose sum is σ = 656011923840. Its totient is φ = 82628044800.

The previous prime is 243151026997. The next prime is 243151027019. The reversal of 243151027000 is 720151342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637302 + ... + 944698.

It is an arithmetic number, because the mean of its divisors is an integer number (5125093155).

Almost surely, 2^243151027000 is an apocalyptic number.

243151027000 is a gapful number since it is divisible by the number (20) 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 243151027000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328005961920).

243151027000 is an abundant number, since it is smaller than the sum of its proper divisors (412860896840).

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

243151027000 is a wasteful number, since it uses less digits than its factorization.

243151027000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307538 (or 307524 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 243151027000 its reverse (720151342), we get a palindrome (243871178342).

The spelling of 243151027000 in words is "two hundred forty-three billion, one hundred fifty-one million, twenty-seven thousand".