1452312742 has 16 divisors (see below), whose sum is σ = 2235440592. Its totient is φ = 707226880.

The previous prime is 1452312679. The next prime is 1452312749. The reversal of 1452312742 is 2472132541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452312749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33693 + ... + 63559.

It is an arithmetic number, because the mean of its divisors is an integer number (139715037).

Almost surely, 2^1452312742 is an apocalyptic number.

1452312742 is a deficient number, since it is larger than the sum of its proper divisors (783127850).

1452312742 is a wasteful number, since it uses less digits than its factorization.

1452312742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503.

The product of its digits is 13440, while the sum is 31.

The square root of 1452312742 is about 38109.2212200669. The cubic root of 1452312742 is about 1132.4526417796.

The spelling of 1452312742 in words is "one billion, four hundred fifty-two million, three hundred twelve thousand, seven hundred forty-two".