140155440545450 has 48 divisors (see below), whose sum is σ = 284391499002336. Its totient is φ = 50965011028800.

The previous prime is 140155440545447. The next prime is 140155440545581. The reversal of 140155440545450 is 54545044551041.

It is a junction number, because it is equal to n+sod(n) for n = 140155440545395 and 140155440545404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46341824 + ... + 49273476.

It is an arithmetic number, because the mean of its divisors is an integer number (5924822895882).

Almost surely, 2^{140155440545450} is an apocalyptic number.

140155440545450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140155440545450 is an abundant number, since it is smaller than the sum of its proper divisors (144236058456886).

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

140155440545450 is a wasteful number, since it uses less digits than its factorization.

140155440545450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018599 (or 3018594 counting only the distinct ones).

The product of its (nonzero) digits is 3200000, while the sum is 47.

The spelling of 140155440545450 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred forty million, five hundred forty-five thousand, four hundred fifty".