1457449790 has 16 divisors (see below), whose sum is σ = 2679227712. Its totient is φ = 570575904.

The previous prime is 1457449787. The next prime is 1457449793. The reversal of 1457449790 is 979447541.

It is an interprime number because it is at equal distance from previous prime (1457449787) and next prime (1457449793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457449793) 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, 1550009 + ... + 1550948.

It is an arithmetic number, because the mean of its divisors is an integer number (167451732).

Almost surely, 2^1457449790 is an apocalyptic number.

1457449790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457449790 is a deficient number, since it is larger than the sum of its proper divisors (1221777922).

1457449790 is a wasteful number, since it uses less digits than its factorization.

1457449790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101011.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1457449790 is about 38176.5607408525. The cubic root of 1457449790 is about 1133.7862888601.

The spelling of 1457449790 in words is "one billion, four hundred fifty-seven million, four hundred forty-nine thousand, seven hundred ninety".