140045351 has 2 divisors, whose sum is σ = 140045352. Its totient is φ = 140045350.

The previous prime is 140045329. The next prime is 140045357. The reversal of 140045351 is 153540041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140045351 - 2²² = 135851047 is a prime.

It is a super-2 number, since 2×140045351² = 39225400673426402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140045357) 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 as a sum of consecutive naturals, namely, 70022675 + 70022676.

It is an arithmetic number, because the mean of its divisors is an integer number (70022676).

Almost surely, 2^140045351 is an apocalyptic number.

140045351 is a deficient number, since it is larger than the sum of its proper divisors (1).

140045351 is an equidigital number, since it uses as much as digits as its factorization.

140045351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140045351 is about 11834.0758405547. The cubic root of 140045351 is about 519.3054719416.

Adding to 140045351 its reverse (153540041), we get a palindrome (293585392).

The spelling of 140045351 in words is "one hundred forty million, forty-five thousand, three hundred fifty-one".