140152441024454 has 4 divisors (see below), whose sum is σ = 210228661536684. Its totient is φ = 70076220512226.

The previous prime is 140152441024381. The next prime is 140152441024517. The reversal of 140152441024454 is 454420144251041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140152441024454² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35038110256112 + ... + 35038110256115.

It is an arithmetic number, because the mean of its divisors is an integer number (52557165384171).

Almost surely, 2^{140152441024454} is an apocalyptic number.

140152441024454 is a deficient number, since it is larger than the sum of its proper divisors (70076220512230).

140152441024454 is an equidigital number, since it uses as much as digits as its factorization.

140152441024454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70076220512229.

The product of its (nonzero) digits is 409600, while the sum is 41.

Adding to 140152441024454 its reverse (454420144251041), we get a palindrome (594572585275495).

The spelling of 140152441024454 in words is "one hundred forty trillion, one hundred fifty-two billion, four hundred forty-one million, twenty-four thousand, four hundred fifty-four".