1545948 has 18 divisors (see below), whose sum is σ = 3907904. Its totient is φ = 515304.

The previous prime is 1545917. The next prime is 1545949. The reversal of 1545948 is 8495451.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 42943 = 1545948 / (1 + 5 + 4 + 5 + 9 + 4 + 8).

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 5 ways as a sum of consecutive naturals, for example, 21436 + ... + 21507.

2^1545948 is an apocalyptic number.

1545948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1545948 is an abundant number, since it is smaller than the sum of its proper divisors (2361956).

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

1545948 is a wasteful number, since it uses less digits than its factorization.

1545948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42953 (or 42948 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 1545948 is about 1243.3615725122. The cubic root of 1545948 is about 115.6285183249.

The spelling of 1545948 in words is "one million, five hundred forty-five thousand, nine hundred forty-eight".