1545252 has 24 divisors (see below), whose sum is σ = 3666432. Its totient is φ = 506400.

The previous prime is 1545241. The next prime is 1545253. The reversal of 1545252 is 2525451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1545253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (152768).

2^1545252 is an apocalyptic number.

1545252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545252 is an abundant number, since it is smaller than the sum of its proper divisors (2121180).

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

1545252 is a wasteful number, since it uses less digits than its factorization.

1545252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2177 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 1545252 is about 1243.0816545988. The cubic root of 1545252 is about 115.6111633796.

It can be divided in two parts, 154 and 5252, that multiplied together give a palindrome (808808).

The spelling of 1545252 in words is "one million, five hundred forty-five thousand, two hundred fifty-two".