140424522 has 96 divisors (see below), whose sum is σ = 356493312. Its totient is φ = 36047616.

The previous prime is 140424521. The next prime is 140424547. The reversal of 140424522 is 225424041.

It is a happy number.

140424522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140424492 and 140424501.

It is not an unprimeable number, because it can be changed into a prime (140424521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278923 + ... + 279425.

It is an arithmetic number, because the mean of its divisors is an integer number (3713472).

Almost surely, 2^140424522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140424522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178246656).

140424522 is an abundant number, since it is smaller than the sum of its proper divisors (216068790).

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

140424522 is a wasteful number, since it uses less digits than its factorization.

140424522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140424522 is about 11850.0853161486. The cubic root of 140424522 is about 519.7737205817.

Adding to 140424522 its reverse (225424041), we get a palindrome (365848563).

The spelling of 140424522 in words is "one hundred forty million, four hundred twenty-four thousand, five hundred twenty-two".