140145251154 has 32 divisors (see below), whose sum is σ = 280977681600. Its totient is φ = 46600612800.

The previous prime is 140145251149. The next prime is 140145251177. The reversal of 140145251154 is 451152541041.

It is a Curzon 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, 18199197 + ... + 18206895.

It is an arithmetic number, because the mean of its divisors is an integer number (8780552550).

Almost surely, 2^140145251154 is an apocalyptic number.

140145251154 is an abundant number, since it is smaller than the sum of its proper divisors (140832430446).

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

140145251154 is a wasteful number, since it uses less digits than its factorization.

140145251154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14746.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 140145251154 its reverse (451152541041), we get a palindrome (591297792195).

The spelling of 140145251154 in words is "one hundred forty billion, one hundred forty-five million, two hundred fifty-one thousand, one hundred fifty-four".