140426442545 has 4 divisors (see below), whose sum is σ = 168511731060. Its totient is φ = 112341154032.

The previous prime is 140426442521. The next prime is 140426442647. The reversal of 140426442545 is 545244624041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65880515584 + 74545926961 = 256672^2 + 273031^2 .

It is a cyclic number.

It is not a de Polignac number, because 140426442545 - 2³⁶ = 71706965809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14042644250 + ... + 14042644259.

It is an arithmetic number, because the mean of its divisors is an integer number (42127932765).

Almost surely, 2^140426442545 is an apocalyptic number.

It is an amenable number.

140426442545 is a deficient number, since it is larger than the sum of its proper divisors (28085288515).

140426442545 is an equidigital number, since it uses as much as digits as its factorization.

140426442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28085288514.

The product of its (nonzero) digits is 614400, while the sum is 41.

The spelling of 140426442545 in words is "one hundred forty billion, four hundred twenty-six million, four hundred forty-two thousand, five hundred forty-five".