1203145344 has 48 divisors (see below), whose sum is σ = 3462179370. Its totient is φ = 401048064.

The previous prime is 1203145327. The next prime is 1203145357. The reversal of 1203145344 is 4435413021.

It is a happy number.

1203145344 is a `hidden beast` number, since 1 + 2 + 0 + 314 + 5 + 344 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1104897600 + 98247744 = 33240^2 + 9912^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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, 521047 + ... + 523350.

Almost surely, 2^1203145344 is an apocalyptic number.

It is an amenable number.

1203145344 is an abundant number, since it is smaller than the sum of its proper divisors (2259034026).

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

1203145344 is a wasteful number, since it uses less digits than its factorization.

1203145344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044417 (or 1044402 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1203145344 is about 34686.3855712872. The cubic root of 1203145344 is about 1063.5862110435.

Adding to 1203145344 its reverse (4435413021), we get a palindrome (5638558365).

It can be divided in two parts, 12031 and 45344, that added together give a palindrome (57375).

The spelling of 1203145344 in words is "one billion, two hundred three million, one hundred forty-five thousand, three hundred forty-four".