1452640542 has 8 divisors (see below), whose sum is σ = 2905281096. Its totient is φ = 484213512.

The previous prime is 1452640507. The next prime is 1452640543. The reversal of 1452640542 is 2450462541.

It is a sphenic number, since it is the product of 3 distinct primes.

1452640542 is an admirable number.

It is a super-2 number, since 2×1452640542² = 4220329088524107528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452640543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121053373 + ... + 121053384.

It is an arithmetic number, because the mean of its divisors is an integer number (363160137).

Almost surely, 2^1452640542 is an apocalyptic number.

1452640542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1452640542 is a wasteful number, since it uses less digits than its factorization.

1452640542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242106762.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 1452640542 is about 38113.5217737747. The cubic root of 1452640542 is about 1132.5378369398.

The spelling of 1452640542 in words is "one billion, four hundred fifty-two million, six hundred forty thousand, five hundred forty-two".