1545942 has 8 divisors (see below), whose sum is σ = 3091896. Its totient is φ = 515312.

The previous prime is 1545917. The next prime is 1545949. The reversal of 1545942 is 2495451.

It is a sphenic number, since it is the product of 3 distinct primes.

1545942 is an admirable number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545949) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 128823 + ... + 128834.

It is an arithmetic number, because the mean of its divisors is an integer number (386487).

2^1545942 is an apocalyptic number.

1545942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1545942 is a wasteful number, since it uses less digits than its factorization.

1545942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257662.

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

The square root of 1545942 is about 1243.3591596960. The cubic root of 1545942 is about 115.6283687355.

The spelling of 1545942 in words is "one million, five hundred forty-five thousand, nine hundred forty-two".