140522454 has 12 divisors (see below), whose sum is σ = 304465356. Its totient is φ = 46840812.

The previous prime is 140522441. The next prime is 140522471. The reversal of 140522454 is 454225041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3903384 + ... + 3903419.

It is an arithmetic number, because the mean of its divisors is an integer number (25372113).

Almost surely, 2^140522454 is an apocalyptic number.

140522454 is an abundant number, since it is smaller than the sum of its proper divisors (163942902).

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

140522454 is a wasteful number, since it uses less digits than its factorization.

140522454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806811 (or 7806808 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 140522454 is about 11854.2167181134. The cubic root of 140522454 is about 519.8945224918.

Adding to 140522454 its reverse (454225041), we get a palindrome (594747495).

The spelling of 140522454 in words is "one hundred forty million, five hundred twenty-two thousand, four hundred fifty-four".