140645150 has 48 divisors (see below), whose sum is σ = 270357696. Its totient is φ = 54405120.

The previous prime is 140645143. The next prime is 140645173. The reversal of 140645150 is 51546041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227642 + ... + 228258.

It is an arithmetic number, because the mean of its divisors is an integer number (5632452).

Almost surely, 2^140645150 is an apocalyptic number.

140645150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140645150 is a deficient number, since it is larger than the sum of its proper divisors (129712546).

140645150 is a wasteful number, since it uses less digits than its factorization.

140645150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140645150 is about 11859.3907937971. The cubic root of 140645150 is about 520.0457923184.

The spelling of 140645150 in words is "one hundred forty million, six hundred forty-five thousand, one hundred fifty".