154105454133440 has 56 divisors (see below), whose sum is σ = 368269533199872. Its totient is φ = 61422814423040.

The previous prime is 154105454133437. The next prime is 154105454133443. The reversal of 154105454133440 is 44331454501451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (154105454133437) and next prime (154105454133443).

It is a junction number, because it is equal to n+sod(n) for n = 154105454133391 and 154105454133400.

It is not an unprimeable number, because it can be changed into a prime (154105454133443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856813184 + ... + 856993023.

Almost surely, 2^{154105454133440} is an apocalyptic number.

154105454133440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154105454133440 is an abundant number, since it is smaller than the sum of its proper divisors (214164079066432).

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

154105454133440 is a wasteful number, since it uses less digits than its factorization.

154105454133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713806505 (or 1713806495 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 154105454133440 in words is "one hundred fifty-four trillion, one hundred five billion, four hundred fifty-four million, one hundred thirty-three thousand, four hundred forty".