140415452 has 12 divisors (see below), whose sum is σ = 248160696. Its totient is φ = 69512400.

The previous prime is 140415449. The next prime is 140415463. The reversal of 140415452 is 254514041.

140415452 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173378 + ... + 174185.

It is an arithmetic number, because the mean of its divisors is an integer number (20680058).

Almost surely, 2^140415452 is an apocalyptic number.

It is an amenable number.

140415452 is a deficient number, since it is larger than the sum of its proper divisors (107745244).

140415452 is a wasteful number, since it uses less digits than its factorization.

140415452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347668 (or 347666 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 140415452 is about 11849.7026123021. The cubic root of 140415452 is about 519.7625296371.

Adding to 140415452 its reverse (254514041), we get a palindrome (394929493).

The spelling of 140415452 in words is "one hundred forty million, four hundred fifteen thousand, four hundred fifty-two".