1525310142 has 32 divisors (see below), whose sum is σ = 3232265472. Its totient is φ = 478203264.

The previous prime is 1525310131. The next prime is 1525310179. The reversal of 1525310142 is 2410135251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177673 + ... + 186059.

It is an arithmetic number, because the mean of its divisors is an integer number (101008296).

Almost surely, 2^1525310142 is an apocalyptic number.

1525310142 is an abundant number, since it is smaller than the sum of its proper divisors (1706955330).

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

1525310142 is a wasteful number, since it uses less digits than its factorization.

1525310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1525310142 is about 39055.2191390600. The cubic root of 1525310142 is about 1151.1167833018.

Adding to 1525310142 its reverse (2410135251), we get a palindrome (3935445393).

The spelling of 1525310142 in words is "one billion, five hundred twenty-five million, three hundred ten thousand, one hundred forty-two".