140426245 has 16 divisors (see below), whose sum is σ = 177978240. Its totient is φ = 106069824.

The previous prime is 140426243. The next prime is 140426267. The reversal of 140426245 is 542624041.

It is a cyclic number.

It is not a de Polignac number, because 140426245 - 2¹ = 140426243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140426243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27784 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (11123640).

Almost surely, 2^140426245 is an apocalyptic number.

It is an amenable number.

140426245 is a deficient number, since it is larger than the sum of its proper divisors (37551995).

140426245 is a wasteful number, since it uses less digits than its factorization.

140426245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 140426245 is about 11850.1580158241. The cubic root of 140426245 is about 519.7758464366.

The spelling of 140426245 in words is "one hundred forty million, four hundred twenty-six thousand, two hundred forty-five".