1402454161 has 2 divisors, whose sum is σ = 1402454162. Its totient is φ = 1402454160.

The previous prime is 1402454099. The next prime is 1402454177. The reversal of 1402454161 is 1614542041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303571025 + 98883136 = 36105^2 + 9944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402454161 - 2⁹ = 1402453649 is a prime.

It is a super-3 number, since 3×1402454161³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1402454191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701227080 + 701227081.

It is an arithmetic number, because the mean of its divisors is an integer number (701227081).

Almost surely, 2^1402454161 is an apocalyptic number.

It is an amenable number.

1402454161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402454161 is an equidigital number, since it uses as much as digits as its factorization.

1402454161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1402454161 is about 37449.3546139316. The cubic root of 1402454161 is about 1119.3422373445.

The spelling of 1402454161 in words is "one billion, four hundred two million, four hundred fifty-four thousand, one hundred sixty-one".