1552520142 has 32 divisors (see below), whose sum is σ = 3453824160. Its totient is φ = 516939840.

The previous prime is 1552520141. The next prime is 1552520197. The reversal of 1552520142 is 2410252551.

1552520142 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552520141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35538 + ... + 66090.

It is an arithmetic number, because the mean of its divisors is an integer number (107932005).

Almost surely, 2^1552520142 is an apocalyptic number.

1552520142 is an abundant number, since it is smaller than the sum of its proper divisors (1901304018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552520142 is a wasteful number, since it uses less digits than its factorization.

1552520142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31505 (or 31499 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1552520142 is about 39402.0322064738. The cubic root of 1552520142 is about 1157.9214019515.

Adding to 1552520142 its reverse (2410252551), we get a palindrome (3962772693).

The spelling of 1552520142 in words is "one billion, five hundred fifty-two million, five hundred twenty thousand, one hundred forty-two".