1453897270 has 32 divisors (see below), whose sum is σ = 3014443008. Its totient is φ = 494551008.

The previous prime is 1453897261. The next prime is 1453897283. The reversal of 1453897270 is 727983541.

It is a super-2 number, since 2×1453897270² = 4227634543426905800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1453897270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72882 + ... + 90661.

It is an arithmetic number, because the mean of its divisors is an integer number (94201344).

Almost surely, 2^1453897270 is an apocalyptic number.

1453897270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453897270 is an abundant number, since it is smaller than the sum of its proper divisors (1560545738).

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

1453897270 is a wasteful number, since it uses less digits than its factorization.

1453897270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163684.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1453897270 is about 38130.0048518224. The cubic root of 1453897270 is about 1132.8643416097.

The spelling of 1453897270 in words is "one billion, four hundred fifty-three million, eight hundred ninety-seven thousand, two hundred seventy".