1453870378 has 8 divisors (see below), whose sum is σ = 2239746372. Its totient is φ = 707288256.

The previous prime is 1453870349. The next prime is 1453870387. The reversal of 1453870378 is 8730783541.

It can be written as a sum of positive squares in 2 ways, for example, as 1450619569 + 3250809 = 38087^2 + 1803^2 .

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

It is a super-2 number, since 2×1453870378² = 4227478152051725768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9823375 + ... + 9823522.

Almost surely, 2^1453870378 is an apocalyptic number.

1453870378 is a deficient number, since it is larger than the sum of its proper divisors (785875994).

1453870378 is a wasteful number, since it uses less digits than its factorization.

1453870378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646936.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 1453870378 is about 38129.6522145167. The cubic root of 1453870378 is about 1132.8573568944.

The spelling of 1453870378 in words is "one billion, four hundred fifty-three million, eight hundred seventy thousand, three hundred seventy-eight".