1481248157 has 2 divisors, whose sum is σ = 1481248158. Its totient is φ = 1481248156.

The previous prime is 1481248141. The next prime is 1481248207. The reversal of 1481248157 is 7518421841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391737636 + 89510521 = 37306^2 + 9461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481248157 - 2⁴ = 1481248141 is a prime.

It is a super-2 number, since 2×1481248157² = 4388192205231793298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481248957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740624078 + 740624079.

It is an arithmetic number, because the mean of its divisors is an integer number (740624079).

Almost surely, 2^1481248157 is an apocalyptic number.

It is an amenable number.

1481248157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481248157 is an equidigital number, since it uses as much as digits as its factorization.

1481248157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 41.

The square root of 1481248157 is about 38486.9868527013. The cubic root of 1481248157 is about 1139.9241144213.

Adding to 1481248157 its reverse (7518421841), we get a palindrome (8999669998).

The spelling of 1481248157 in words is "one billion, four hundred eighty-one million, two hundred forty-eight thousand, one hundred fifty-seven".