140450152 has 8 divisors (see below), whose sum is σ = 263344050. Its totient is φ = 70225072.

The previous prime is 140450143. The next prime is 140450171. The reversal of 140450152 is 251054041.

It can be written as a sum of positive squares in only one way, i.e., 70660836 + 69789316 = 8406^2 + 8354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 8778127 + ... + 8778142.

Almost surely, 2^140450152 is an apocalyptic number.

It is an amenable number.

140450152 is a deficient number, since it is larger than the sum of its proper divisors (122893898).

140450152 is a wasteful number, since it uses less digits than its factorization.

140450152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17556275 (or 17556271 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140450152 is about 11851.1666936213. The cubic root of 140450152 is about 519.8053413411.

The spelling of 140450152 in words is "one hundred forty million, four hundred fifty thousand, one hundred fifty-two".