1481957153 has 4 divisors (see below), whose sum is σ = 1482160020. Its totient is φ = 1481754288.

The previous prime is 1481957149. The next prime is 1481957233. The reversal of 1481957153 is 3517591841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 472497169 + 1009459984 = 21737^2 + 31772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481957153 - 2² = 1481957149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481957053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90050 + ... + 105227.

It is an arithmetic number, because the mean of its divisors is an integer number (370540005).

Almost surely, 2^1481957153 is an apocalyptic number.

It is an amenable number.

1481957153 is a deficient number, since it is larger than the sum of its proper divisors (202867).

1481957153 is an equidigital number, since it uses as much as digits as its factorization.

1481957153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202866.

The product of its digits is 151200, while the sum is 44.

The square root of 1481957153 is about 38496.1966043400. The cubic root of 1481957153 is about 1140.1059594237.

The spelling of 1481957153 in words is "one billion, four hundred eighty-one million, nine hundred fifty-seven thousand, one hundred fifty-three".