1454140 has 12 divisors (see below), whose sum is σ = 3053736. Its totient is φ = 581648.

The previous prime is 1454119. The next prime is 1454143. The reversal of 1454140 is 414541.

It is a super-2 number, since 2×1454140² = 4229046279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36334 + ... + 36373.

It is an arithmetic number, because the mean of its divisors is an integer number (254478).

2^1454140 is an apocalyptic number.

1454140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454140 is an abundant number, since it is smaller than the sum of its proper divisors (1599596).

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

1454140 is a wasteful number, since it uses less digits than its factorization.

1454140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72716 (or 72714 counting only the distinct ones).

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

The square root of 1454140 is about 1205.8772740209. The cubic root of 1454140 is about 113.2927382483.

Adding to 1454140 its reverse (414541), we get a palindrome (1868681).

The spelling of 1454140 in words is "one million, four hundred fifty-four thousand, one hundred forty".