10140454 has 4 divisors (see below), whose sum is σ = 15210684. Its totient is φ = 5070226.

The previous prime is 10140451. The next prime is 10140463. The reversal of 10140454 is 45404101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10140454² = 205657614652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535112 + ... + 2535115.

It is an arithmetic number, because the mean of its divisors is an integer number (3802671).

Almost surely, 2^10140454 is an apocalyptic number.

10140454 is a deficient number, since it is larger than the sum of its proper divisors (5070230).

10140454 is an equidigital number, since it uses as much as digits as its factorization.

10140454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070229.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10140454 is about 3184.4079512525. The cubic root of 10140454 is about 216.4474463839.

Adding to 10140454 its reverse (45404101), we get a palindrome (55544555).

It can be divided in two parts, 1014045 and 4, that added together give a square (1014049 = 1007²).

The spelling of 10140454 in words is "ten million, one hundred forty thousand, four hundred fifty-four".