154520035340 has 96 divisors (see below), whose sum is σ = 358285794048. Its totient is φ = 55509920000.

The previous prime is 154520035337. The next prime is 154520035357. The reversal of 154520035340 is 43530025451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 154520035297 and 154520035306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10369295 + ... + 10384185.

It is an arithmetic number, because the mean of its divisors is an integer number (3732143688).

Almost surely, 2^154520035340 is an apocalyptic number.

154520035340 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 154520035340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179142897024).

154520035340 is an abundant number, since it is smaller than the sum of its proper divisors (203765758708).

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

154520035340 is a wasteful number, since it uses less digits than its factorization.

154520035340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15479 (or 15477 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 154520035340 in words is "one hundred fifty-four billion, five hundred twenty million, thirty-five thousand, three hundred forty".