1253450142 has 48 divisors (see below), whose sum is σ = 3118557312. Its totient is φ = 356423760.

The previous prime is 1253450141. The next prime is 1253450161. The reversal of 1253450142 is 2410543521.

1253450142 is a `hidden beast` number, since 125 + 34 + 501 + 4 + 2 = 666.

It is a super-2 number, since 2×1253450142² = 3142274516959640328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253450141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3013 + ... + 50159.

It is an arithmetic number, because the mean of its divisors is an integer number (64969944).

Almost surely, 2^1253450142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253450142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559278656).

1253450142 is an abundant number, since it is smaller than the sum of its proper divisors (1865107170).

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

1253450142 is a wasteful number, since it uses less digits than its factorization.

1253450142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47373 (or 47370 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1253450142 is about 35404.0978136712. The cubic root of 1253450142 is about 1078.2075153278.

Adding to 1253450142 its reverse (2410543521), we get a palindrome (3663993663).

The spelling of 1253450142 in words is "one billion, two hundred fifty-three million, four hundred fifty thousand, one hundred forty-two".