1020153445 has 8 divisors (see below), whose sum is σ = 1266397560. Its totient is φ = 787980480.

The previous prime is 1020153439. The next prime is 1020153451. The reversal of 1020153445 is 5443510201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020153439) and next prime (1020153451).

It can be written as a sum of positive squares in 4 ways, for example, as 380367009 + 639786436 = 19503^2 + 25294^2 .

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

It is not a de Polignac number, because 1020153445 - 2³ = 1020153437 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3517626 + ... + 3517915.

It is an arithmetic number, because the mean of its divisors is an integer number (158299695).

Almost surely, 2^1020153445 is an apocalyptic number.

It is an amenable number.

1020153445 is a deficient number, since it is larger than the sum of its proper divisors (246244115).

1020153445 is an equidigital number, since it uses as much as digits as its factorization.

1020153445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035575.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1020153445 is about 31939.8410296607. The cubic root of 1020153445 is about 1006.6731845525.

Adding to 1020153445 its reverse (5443510201), we get a palindrome (6463663646).

The spelling of 1020153445 in words is "one billion, twenty million, one hundred fifty-three thousand, four hundred forty-five".