1455454538 has 16 divisors (see below), whose sum is σ = 2202370560. Its totient is φ = 721359456.

The previous prime is 1455454487. The next prime is 1455454573. The reversal of 1455454538 is 8354545541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98903 + ... + 112661.

It is an arithmetic number, because the mean of its divisors is an integer number (137648160).

Almost surely, 2^1455454538 is an apocalyptic number.

1455454538 is a deficient number, since it is larger than the sum of its proper divisors (746916022).

1455454538 is a wasteful number, since it uses less digits than its factorization.

1455454538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14221.

The product of its digits is 960000, while the sum is 44.

The square root of 1455454538 is about 38150.4198928400. The cubic root of 1455454538 is about 1133.2686672638.

The spelling of 1455454538 in words is "one billion, four hundred fifty-five million, four hundred fifty-four thousand, five hundred thirty-eight".