1457161487 has 2 divisors, whose sum is σ = 1457161488. Its totient is φ = 1457161486.

The previous prime is 1457161469. The next prime is 1457161507. The reversal of 1457161487 is 7841617541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1457161487 - 2⁶ = 1457161423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457161457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728580743 + 728580744.

It is an arithmetic number, because the mean of its divisors is an integer number (728580744).

Almost surely, 2^1457161487 is an apocalyptic number.

1457161487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457161487 is an equidigital number, since it uses as much as digits as its factorization.

1457161487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 44.

The square root of 1457161487 is about 38172.7846377494. The cubic root of 1457161487 is about 1133.7115245820.

The spelling of 1457161487 in words is "one billion, four hundred fifty-seven million, one hundred sixty-one thousand, four hundred eighty-seven".