154008461540 has 48 divisors (see below), whose sum is σ = 331398587520. Its totient is φ = 60084069120.

The previous prime is 154008461489. The next prime is 154008461597. The reversal of 154008461540 is 45164800451.

It is a junction number, because it is equal to n+sod(n) for n = 154008461494 and 154008461503.

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, 3143351 + ... + 3191969.

It is an arithmetic number, because the mean of its divisors is an integer number (6904137240).

Almost surely, 2^154008461540 is an apocalyptic number.

154008461540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154008461540 is an abundant number, since it is smaller than the sum of its proper divisors (177390125980).

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

154008461540 is a wasteful number, since it uses less digits than its factorization.

154008461540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52532 (or 52530 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 154008461540 in words is "one hundred fifty-four billion, eight million, four hundred sixty-one thousand, five hundred forty".