1455044142 has 16 divisors (see below), whose sum is σ = 2972005632. Its totient is φ = 474695160.

The previous prime is 1455044141. The next prime is 1455044183. The reversal of 1455044142 is 2414405541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455044141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579584 + ... + 2580147.

It is an arithmetic number, because the mean of its divisors is an integer number (185750352).

Almost surely, 2^1455044142 is an apocalyptic number.

1455044142 is an abundant number, since it is smaller than the sum of its proper divisors (1516961490).

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

1455044142 is a wasteful number, since it uses less digits than its factorization.

1455044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159783.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1455044142 is about 38145.0408572333. The cubic root of 1455044142 is about 1133.1621409436.

Adding to 1455044142 its reverse (2414405541), we get a palindrome (3869449683).

The spelling of 1455044142 in words is "one billion, four hundred fifty-five million, forty-four thousand, one hundred forty-two".