140245494 has 16 divisors (see below), whose sum is σ = 280827840. Its totient is φ = 46692360.

The previous prime is 140245493. The next prime is 140245499. The reversal of 140245494 is 494542041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140245493) 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, 8452 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (17551740).

Almost surely, 2^140245494 is an apocalyptic number.

140245494 is an abundant number, since it is smaller than the sum of its proper divisors (140582346).

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

140245494 is a wasteful number, since it uses less digits than its factorization.

140245494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 140245494 is about 11842.5290373298. The cubic root of 140245494 is about 519.5527391809.

The spelling of 140245494 in words is "one hundred forty million, two hundred forty-five thousand, four hundred ninety-four".