140045526146 has 8 divisors (see below), whose sum is σ = 217312023420. Its totient is φ = 67608185008.

The previous prime is 140045526121. The next prime is 140045526149. The reversal of 140045526146 is 641625540041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137426645521 + 2618880625 = 370711^2 + 51175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140045526146² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140045526149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207288961 + ... + 1207289076.

Almost surely, 2^140045526146 is an apocalyptic number.

140045526146 is a deficient number, since it is larger than the sum of its proper divisors (77266497274).

140045526146 is a wasteful number, since it uses less digits than its factorization.

140045526146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414578068.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 140045526146 in words is "one hundred forty billion, forty-five million, five hundred twenty-six thousand, one hundred forty-six".