140150442 has 16 divisors (see below), whose sum is σ = 289343232. Its totient is φ = 45209760.

The previous prime is 140150407. The next prime is 140150449. The reversal of 140150442 is 244051041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140150449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376563 + ... + 376934.

It is an arithmetic number, because the mean of its divisors is an integer number (18083952).

Almost surely, 2^140150442 is an apocalyptic number.

140150442 is an abundant number, since it is smaller than the sum of its proper divisors (149192790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140150442 is a wasteful number, since it uses less digits than its factorization.

140150442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753533.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140150442 is about 11838.5151940604. The cubic root of 140150442 is about 519.4353362693.

The spelling of 140150442 in words is "one hundred forty million, one hundred fifty thousand, four hundred forty-two".