1874145 has 32 divisors (see below), whose sum is σ = 3693312. Its totient is φ = 790272.

The previous prime is 1874143. The next prime is 1874153. The reversal of 1874145 is 5414781.

It is not a de Polignac number, because 1874145 - 2¹ = 1874143 is a prime.

It is an alternating number because its digits alternate between odd and even.

1874145 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1874143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (115416).

2^1874145 is an apocalyptic number.

1874145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1874145 is a deficient number, since it is larger than the sum of its proper divisors (1819167).

1874145 is a wasteful number, since it uses less digits than its factorization.

1874145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its digits is 4480, while the sum is 30.

The square root of 1874145 is about 1368.9941563060. The cubic root of 1874145 is about 123.2918576551.

The spelling of 1874145 in words is "one million, eight hundred seventy-four thousand, one hundred forty-five".