154257234780 has 144 divisors (see below), whose sum is σ = 486335660832. Its totient is φ = 36483532800.

The previous prime is 154257234763. The next prime is 154257234793. The reversal of 154257234780 is 87432752451.

It is a happy number.

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, 38544 + ... + 556776.

It is an arithmetic number, because the mean of its divisors is an integer number (3377330978).

Almost surely, 2^154257234780 is an apocalyptic number.

154257234780 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 154257234780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243167830416).

154257234780 is an abundant number, since it is smaller than the sum of its proper divisors (332078426052).

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

154257234780 is a wasteful number, since it uses less digits than its factorization.

154257234780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518308 (or 518295 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 154257234780 in words is "one hundred fifty-four billion, two hundred fifty-seven million, two hundred thirty-four thousand, seven hundred eighty".