1453257426 has 8 divisors (see below), whose sum is σ = 2906514864. Its totient is φ = 484419140.

The previous prime is 1453257419. The next prime is 1453257457. The reversal of 1453257426 is 6247523541.

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

1453257426 is an admirable number.

It is a super-2 number, since 2×1453257426² = 4223914292448290952, 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, 121104780 + ... + 121104791.

It is an arithmetic number, because the mean of its divisors is an integer number (363314358).

Almost surely, 2^1453257426 is an apocalyptic number.

1453257426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1453257426 is a wasteful number, since it uses less digits than its factorization.

1453257426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242209576.

The product of its digits is 201600, while the sum is 39.

The square root of 1453257426 is about 38121.6136332134. The cubic root of 1453257426 is about 1132.6981302305.

The spelling of 1453257426 in words is "one billion, four hundred fifty-three million, two hundred fifty-seven thousand, four hundred twenty-six".