1534145122 has 4 divisors (see below), whose sum is σ = 2301217686. Its totient is φ = 767072560.

The previous prime is 1534145117. The next prime is 1534145159. The reversal of 1534145122 is 2215414351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2215414351 = 5843 ⋅379157.

It can be written as a sum of positive squares in only one way, i.e., 780587721 + 753557401 = 27939^2 + 27451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383536279 + ... + 383536282.

Almost surely, 2^1534145122 is an apocalyptic number.

1534145122 is a deficient number, since it is larger than the sum of its proper divisors (767072564).

1534145122 is an equidigital number, since it uses as much as digits as its factorization.

1534145122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767072563.

The product of its digits is 4800, while the sum is 28.

The square root of 1534145122 is about 39168.1646493680. The cubic root of 1534145122 is about 1153.3350252424.

Adding to 1534145122 its reverse (2215414351), we get a palindrome (3749559473).

The spelling of 1534145122 in words is "one billion, five hundred thirty-four million, one hundred forty-five thousand, one hundred twenty-two".