140429145 has 32 divisors (see below), whose sum is σ = 238464000. Its totient is φ = 70414784.

The previous prime is 140429143. The next prime is 140429153. The reversal of 140429145 is 541924041.

It is a cyclic number.

It is not a de Polignac number, because 140429145 - 2¹ = 140429143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140429143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16906 + ... + 23804.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^140429145 is an apocalyptic number.

140429145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140429145 is a deficient number, since it is larger than the sum of its proper divisors (98034855).

140429145 is a wasteful number, since it uses less digits than its factorization.

140429145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 140429145 is about 11850.2803764299. The cubic root of 140429145 is about 519.7794244467.

The spelling of 140429145 in words is "one hundred forty million, four hundred twenty-nine thousand, one hundred forty-five".