154645035340440 has 64 divisors (see below), whose sum is σ = 472688598607200. Its totient is φ = 40460587860992.

The previous prime is 154645035340423. The next prime is 154645035340531. The reversal of 154645035340440 is 44043530546451.

It is a self number, because there is not a number n which added to its sum of digits gives 154645035340440.

It is a congruent number.

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, 12157622205 + ... + 12157634924.

Almost surely, 2^{154645035340440} is an apocalyptic number.

154645035340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154645035340440 is an abundant number, since it is smaller than the sum of its proper divisors (318043563266760).

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

154645035340440 is a wasteful number, since it uses less digits than its factorization.

154645035340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315257196 (or 24315257192 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 154645035340440 its reverse (44043530546451), we get a palindrome (198688565886891).

The spelling of 154645035340440 in words is "one hundred fifty-four trillion, six hundred forty-five billion, thirty-five million, three hundred forty thousand, four hundred forty".