1452138370 has 8 divisors (see below), whose sum is σ = 2613849084. Its totient is φ = 580855344.

The previous prime is 1452138353. The next prime is 1452138377. The reversal of 1452138370 is 738312541.

It can be written as a sum of positive squares in 2 ways, for example, as 1284720649 + 167417721 = 35843^2 + 12939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1452138377) 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 3 ways as a sum of consecutive naturals, for example, 72606909 + ... + 72606928.

Almost surely, 2^1452138370 is an apocalyptic number.

1452138370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1452138370 is a deficient number, since it is larger than the sum of its proper divisors (1161710714).

1452138370 is a wasteful number, since it uses less digits than its factorization.

1452138370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145213844.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1452138370 is about 38106.9333586422. The cubic root of 1452138370 is about 1132.4073173051.

The spelling of 1452138370 in words is "one billion, four hundred fifty-two million, one hundred thirty-eight thousand, three hundred seventy".