1545242330 has 16 divisors (see below), whose sum is σ = 2783475144. Its totient is φ = 617643840.

The previous prime is 1545242287. The next prime is 1545242357. The reversal of 1545242330 is 332425451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1247714329 + 297528001 = 35323^2 + 17249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1545242293 and 1545242302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42137 + ... + 69756.

Almost surely, 2^1545242330 is an apocalyptic number.

1545242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1545242330 is a deficient number, since it is larger than the sum of its proper divisors (1238232814).

1545242330 is a wasteful number, since it uses less digits than its factorization.

1545242330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113281.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1545242330 is about 39309.5704631836. The cubic root of 1545242330 is about 1156.1092221884.

Adding to 1545242330 its reverse (332425451), we get a palindrome (1877667781).

The spelling of 1545242330 in words is "one billion, five hundred forty-five million, two hundred forty-two thousand, three hundred thirty".