1491454 has 4 divisors (see below), whose sum is σ = 2237184. Its totient is φ = 745726.

The previous prime is 1491449. The next prime is 1491491. The reversal of 1491454 is 4541941.

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

It is a super-3 number, since 3×1491454³ = 9952927588117333992, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 372862 + ... + 372865.

It is an arithmetic number, because the mean of its divisors is an integer number (559296).

2^1491454 is an apocalyptic number.

1491454 is a deficient number, since it is larger than the sum of its proper divisors (745730).

1491454 is an equidigital number, since it uses as much as digits as its factorization.

1491454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745729.

The product of its digits is 2880, while the sum is 28.

The square root of 1491454 is about 1221.2509979525. The cubic root of 1491454 is about 114.2536161346.

The spelling of 1491454 in words is "one million, four hundred ninety-one thousand, four hundred fifty-four".