1942545 has 32 divisors (see below), whose sum is σ = 3464064. Its totient is φ = 921600.

The previous prime is 1942543. The next prime is 1942547. The reversal of 1942545 is 5452491.

It is an interprime number because it is at equal distance from previous prime (1942543) and next prime (1942547).

It is not a de Polignac number, because 1942545 - 2¹ = 1942543 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942543) 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, 9969 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (108252).

2^1942545 is an apocalyptic number.

1942545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1942545 is a deficient number, since it is larger than the sum of its proper divisors (1521519).

1942545 is a wasteful number, since it uses less digits than its factorization.

1942545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 7200, while the sum is 30.

The square root of 1942545 is about 1393.7521300432. The cubic root of 1942545 is about 124.7738845544.

The spelling of 1942545 in words is "one million, nine hundred forty-two thousand, five hundred forty-five".