1457215930 has 8 divisors (see below), whose sum is σ = 2622988692. Its totient is φ = 582886368.

The previous prime is 1457215927. The next prime is 1457215937. The reversal of 1457215930 is 395127541.

It can be written as a sum of positive squares in 2 ways, for example, as 1348284961 + 108930969 = 36719^2 + 10437^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1457215930.

It is not an unprimeable number, because it can be changed into a prime (1457215937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72860787 + ... + 72860806.

Almost surely, 2^1457215930 is an apocalyptic number.

1457215930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457215930 is a deficient number, since it is larger than the sum of its proper divisors (1165772762).

1457215930 is a wasteful number, since it uses less digits than its factorization.

1457215930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145721600.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1457215930 is about 38173.4977438537. The cubic root of 1457215930 is about 1133.7256437876.

The spelling of 1457215930 in words is "one billion, four hundred fifty-seven million, two hundred fifteen thousand, nine hundred thirty".