154205145480 has 64 divisors (see below), whose sum is σ = 462663927360. Its totient is φ = 41117061888.

The previous prime is 154205145407. The next prime is 154205145509. The reversal of 154205145480 is 84541502451.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177779 + ... + 1302141.

It is an arithmetic number, because the mean of its divisors is an integer number (7229123865).

Almost surely, 2^154205145480 is an apocalyptic number.

154205145480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154205145480 is an abundant number, since it is smaller than the sum of its proper divisors (308458781880).

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

154205145480 is a wasteful number, since it uses less digits than its factorization.

154205145480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134710 (or 134706 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 154205145480 in words is "one hundred fifty-four billion, two hundred five million, one hundred forty-five thousand, four hundred eighty".