1534123445 has 16 divisors (see below), whose sum is σ = 1908591552. Its totient is φ = 1182925440.

The previous prime is 1534123439. The next prime is 1534123453. The reversal of 1534123445 is 5443214351.

It is not a de Polignac number, because 1534123445 - 2²⁸ = 1265687989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28067 + ... + 62096.

It is an arithmetic number, because the mean of its divisors is an integer number (119286972).

Almost surely, 2^1534123445 is an apocalyptic number.

It is an amenable number.

1534123445 is a deficient number, since it is larger than the sum of its proper divisors (374468107).

1534123445 is an equidigital number, since it uses as much as digits as its factorization.

1534123445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90292.

The product of its digits is 28800, while the sum is 32.

The square root of 1534123445 is about 39167.8879313143. The cubic root of 1534123445 is about 1153.3295931268.

Adding to 1534123445 its reverse (5443214351), we get a palindrome (6977337796).

The spelling of 1534123445 in words is "one billion, five hundred thirty-four million, one hundred twenty-three thousand, four hundred forty-five".