1626498145 has 8 divisors (see below), whose sum is σ = 1952566056. Its totient is φ = 1300686336.

The previous prime is 1626498131. The next prime is 1626498149. The reversal of 1626498145 is 5418946261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 146095569 + 1480402576 = 12087^2 + 38476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1626498145 - 2⁹ = 1626497633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1626498095 and 1626498104.

It is not an unprimeable number, because it can be changed into a prime (1626498149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49762 + ... + 75691.

It is an arithmetic number, because the mean of its divisors is an integer number (244070757).

Almost surely, 2^1626498145 is an apocalyptic number.

It is an amenable number.

1626498145 is a deficient number, since it is larger than the sum of its proper divisors (326067911).

1626498145 is a wasteful number, since it uses less digits than its factorization.

1626498145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128051.

The product of its digits is 414720, while the sum is 46.

The square root of 1626498145 is about 40329.8666623137. The cubic root of 1626498145 is about 1176.0285293282.

The spelling of 1626498145 in words is "one billion, six hundred twenty-six million, four hundred ninety-eight thousand, one hundred forty-five".