1552146142 has 8 divisors (see below), whose sum is σ = 2377755936. Its totient is φ = 759560832.

The previous prime is 1552146097. The next prime is 1552146151. The reversal of 1552146142 is 2416412551.

It is a happy number.

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

It is a super-2 number, since 2×1552146142² = 4818315292250968328, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8256003 + ... + 8256190.

It is an arithmetic number, because the mean of its divisors is an integer number (297219492).

Almost surely, 2^1552146142 is an apocalyptic number.

1552146142 is a deficient number, since it is larger than the sum of its proper divisors (825609794).

1552146142 is a wasteful number, since it uses less digits than its factorization.

1552146142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512242.

The product of its digits is 9600, while the sum is 31.

The square root of 1552146142 is about 39397.2859725134. The cubic root of 1552146142 is about 1157.8284139182.

Adding to 1552146142 its reverse (2416412551), we get a palindrome (3968558693).

The spelling of 1552146142 in words is "one billion, five hundred fifty-two million, one hundred forty-six thousand, one hundred forty-two".