1522144342 has 4 divisors (see below), whose sum is σ = 2283216516. Its totient is φ = 761072170.

The previous prime is 1522144291. The next prime is 1522144357. The reversal of 1522144342 is 2434412251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2434412251 = 20407 ⋅119293.

It is a super-2 number, since 2×1522144342² = 4633846795765225928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1522144342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380536084 + ... + 380536087.

It is an arithmetic number, because the mean of its divisors is an integer number (570804129).

Almost surely, 2^1522144342 is an apocalyptic number.

1522144342 is a deficient number, since it is larger than the sum of its proper divisors (761072174).

1522144342 is an equidigital number, since it uses as much as digits as its factorization.

1522144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761072173.

The product of its digits is 7680, while the sum is 28.

The square root of 1522144342 is about 39014.6682928357. The cubic root of 1522144342 is about 1150.3198460056.

Adding to 1522144342 its reverse (2434412251), we get a palindrome (3956556593).

The spelling of 1522144342 in words is "one billion, five hundred twenty-two million, one hundred forty-four thousand, three hundred forty-two".