1452040142 has 32 divisors (see below), whose sum is σ = 2662849728. Its totient is φ = 579649536.

The previous prime is 1452040141. The next prime is 1452040151. The reversal of 1452040142 is 2410402541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452040141) 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, 8363 + ... + 54534.

It is an arithmetic number, because the mean of its divisors is an integer number (83214054).

Almost surely, 2^1452040142 is an apocalyptic number.

1452040142 is a deficient number, since it is larger than the sum of its proper divisors (1210809586).

1452040142 is a wasteful number, since it uses less digits than its factorization.

1452040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63020.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1452040142 is about 38105.6444900227. The cubic root of 1452040142 is about 1132.3817833255.

Adding to 1452040142 its reverse (2410402541), we get a palindrome (3862442683).

The spelling of 1452040142 in words is "one billion, four hundred fifty-two million, forty thousand, one hundred forty-two".