1303148642 has 4 divisors (see below), whose sum is σ = 1954722966. Its totient is φ = 651574320.

The previous prime is 1303148641. The next prime is 1303148659. The reversal of 1303148642 is 2468413031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1220174761 + 82973881 = 34931^2 + 9109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1303148599 and 1303148608.

It is not an unprimeable number, because it can be changed into a prime (1303148641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325787159 + ... + 325787162.

Almost surely, 2^1303148642 is an apocalyptic number.

1303148642 is a deficient number, since it is larger than the sum of its proper divisors (651574324).

1303148642 is an equidigital number, since it uses as much as digits as its factorization.

1303148642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651574323.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1303148642 is about 36099.1501562017. The cubic root of 1303148642 is about 1092.2733022497.

The spelling of 1303148642 in words is "one billion, three hundred three million, one hundred forty-eight thousand, six hundred forty-two".