1455561454 has 32 divisors (see below), whose sum is σ = 2352908736. Its totient is φ = 672860160.

The previous prime is 1455561449. The next prime is 1455561467. The reversal of 1455561454 is 4541655541.

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, 696399 + ... + 698485.

It is an arithmetic number, because the mean of its divisors is an integer number (73528398).

Almost surely, 2^1455561454 is an apocalyptic number.

1455561454 is a deficient number, since it is larger than the sum of its proper divisors (897347282).

1455561454 is a wasteful number, since it uses less digits than its factorization.

1455561454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its digits is 240000, while the sum is 40.

The square root of 1455561454 is about 38151.8211098763. The cubic root of 1455561454 is about 1133.2964161177.

The spelling of 1455561454 in words is "one billion, four hundred fifty-five million, five hundred sixty-one thousand, four hundred fifty-four".