154021052000000 has 504 divisors, whose sum is σ = 387748224259200. Its totient is φ = 61058188800000.

The previous prime is 154021051999981. The next prime is 154021052000017. The reversal of 154021052000000 is 250120451.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 406387999811 + ... + 406388000189.

It is an arithmetic number, because the mean of its divisors is an integer number (769341714800).

Almost surely, 2^{154021052000000} is an apocalyptic number.

154021052000000 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 154021052000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193874112129600).

154021052000000 is an abundant number, since it is smaller than the sum of its proper divisors (233727172259200).

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

154021052000000 is an frugal number, since it uses more digits than its factorization.

154021052000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 154021052000000 in words is "one hundred fifty-four trillion, twenty-one billion, fifty-two million", and thus it is an aban number.