1424154561 has 4 divisors (see below), whose sum is σ = 1898872752. Its totient is φ = 949436372.

The previous prime is 1424154553. The next prime is 1424154569. The reversal of 1424154561 is 1654514241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1654514241 = 3 ⋅551504747.

It is an interprime number because it is at equal distance from previous prime (1424154553) and next prime (1424154569).

It is a cyclic number.

It is not a de Polignac number, because 1424154561 - 2³ = 1424154553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424154569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237359091 + ... + 237359096.

It is an arithmetic number, because the mean of its divisors is an integer number (474718188).

Almost surely, 2^1424154561 is an apocalyptic number.

It is an amenable number.

1424154561 is a deficient number, since it is larger than the sum of its proper divisors (474718191).

1424154561 is an equidigital number, since it uses as much as digits as its factorization.

1424154561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474718190.

The product of its digits is 19200, while the sum is 33.

The square root of 1424154561 is about 37737.9724018130. The cubic root of 1424154561 is about 1125.0859683440.

The spelling of 1424154561 in words is "one billion, four hundred twenty-four million, one hundred fifty-four thousand, five hundred sixty-one".