1453857074 has 4 divisors (see below), whose sum is σ = 2180785614. Its totient is φ = 726928536.

The previous prime is 1453857073. The next prime is 1453857101. The reversal of 1453857074 is 4707583541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 786409849 + 667447225 = 28043^2 + 25835^2 .

It is a super-2 number, since 2×1453857074² = 4227400783239682952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453857073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363464267 + ... + 363464270.

Almost surely, 2^1453857074 is an apocalyptic number.

1453857074 is a deficient number, since it is larger than the sum of its proper divisors (726928540).

1453857074 is an equidigital number, since it uses as much as digits as its factorization.

1453857074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726928539.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 1453857074 is about 38129.4777567173. The cubic root of 1453857074 is about 1132.8539013868.

The spelling of 1453857074 in words is "one billion, four hundred fifty-three million, eight hundred fifty-seven thousand, seventy-four".