140045645402 has 24 divisors (see below), whose sum is σ = 227495814624. Its totient is φ = 64629284304.

The previous prime is 140045645357. The next prime is 140045645447. The reversal of 140045645402 is 204546540041.

It is an interprime number because it is at equal distance from previous prime (140045645357) and next prime (140045645447).

It is a super-2 number, since 2×140045645402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4148363 + ... + 4181985.

It is an arithmetic number, because the mean of its divisors is an integer number (9478992276).

Almost surely, 2^140045645402 is an apocalyptic number.

140045645402 is a deficient number, since it is larger than the sum of its proper divisors (87450169222).

140045645402 is a wasteful number, since it uses less digits than its factorization.

140045645402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45974 (or 45961 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 140045645402 in words is "one hundred forty billion, forty-five million, six hundred forty-five thousand, four hundred two".