1493155 has 4 divisors (see below), whose sum is σ = 1791792. Its totient is φ = 1194520.

The previous prime is 1493101. The next prime is 1493159. The reversal of 1493155 is 5513941.

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

It is not a de Polignac number, because 1493155 - 2⁷ = 1493027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493159) 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, 149311 + ... + 149320.

It is an arithmetic number, because the mean of its divisors is an integer number (447948).

2^1493155 is an apocalyptic number.

1493155 is a deficient number, since it is larger than the sum of its proper divisors (298637).

1493155 is an equidigital number, since it uses as much as digits as its factorization.

1493155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298636.

The product of its digits is 2700, while the sum is 28.

The square root of 1493155 is about 1221.9472165360. The cubic root of 1493155 is about 114.2970349649.

The spelling of 1493155 in words is "one million, four hundred ninety-three thousand, one hundred fifty-five".