154071456220 has 72 divisors (see below), whose sum is σ = 355727160432. Its totient is φ = 56011887360.

The previous prime is 154071456211. The next prime is 154071456239. The reversal of 154071456220 is 22654170451.

It is a self number, because there is not a number n which added to its sum of digits gives 154071456220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17678584 + ... + 17687296.

It is an arithmetic number, because the mean of its divisors is an integer number (4940655006).

Almost surely, 2^154071456220 is an apocalyptic number.

154071456220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154071456220 is an abundant number, since it is smaller than the sum of its proper divisors (201655704212).

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

154071456220 is a wasteful number, since it uses less digits than its factorization.

154071456220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16051 (or 16038 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 154071456220 in words is "one hundred fifty-four billion, seventy-one million, four hundred fifty-six thousand, two hundred twenty".