1523055142 has 20 divisors (see below), whose sum is σ = 2665196316. Its totient is φ = 652735860.

The previous prime is 1523055133. The next prime is 1523055173. The reversal of 1523055142 is 2415503251.

It is a self number, because there is not a number n which added to its sum of digits gives 1523055142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 153784 + ... + 163387.

Almost surely, 2^1523055142 is an apocalyptic number.

1523055142 is a deficient number, since it is larger than the sum of its proper divisors (1142141174).

1523055142 is an frugal number, since it uses more digits than its factorization.

1523055142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317201 (or 317180 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1523055142 is about 39026.3390801648. The cubic root of 1523055142 is about 1150.5492378323.

Adding to 1523055142 its reverse (2415503251), we get a palindrome (3938558393).

The spelling of 1523055142 in words is "one billion, five hundred twenty-three million, fifty-five thousand, one hundred forty-two".