157484441 has 2 divisors, whose sum is σ = 157484442. Its totient is φ = 157484440.

The previous prime is 157484387. The next prime is 157484443. The reversal of 157484441 is 144484751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108764041 + 48720400 = 10429^2 + 6980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157484441 is a prime.

It is a Sophie Germain prime.

Together with 157484443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157484395 and 157484404.

It is not a weakly prime, because it can be changed into another prime (157484443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78742220 + 78742221.

It is an arithmetic number, because the mean of its divisors is an integer number (78742221).

Almost surely, 2^157484441 is an apocalyptic number.

It is an amenable number.

157484441 is a deficient number, since it is larger than the sum of its proper divisors (1).

157484441 is an equidigital number, since it uses as much as digits as its factorization.

157484441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 38.

The square root of 157484441 is about 12549.2804973034. The cubic root of 157484441 is about 540.0233654727.

The spelling of 157484441 in words is "one hundred fifty-seven million, four hundred eighty-four thousand, four hundred forty-one".