1455256446 has 32 divisors (see below), whose sum is σ = 3328765440. Its totient is φ = 415479456.

The previous prime is 1455256433. The next prime is 1455256447. The reversal of 1455256446 is 6446525541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1455256398 and 1455256407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455256447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47895 + ... + 72141.

It is an arithmetic number, because the mean of its divisors is an integer number (104023920).

Almost surely, 2^1455256446 is an apocalyptic number.

1455256446 is an abundant number, since it is smaller than the sum of its proper divisors (1873508994).

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

1455256446 is a wasteful number, since it uses less digits than its factorization.

1455256446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25688.

The product of its digits is 576000, while the sum is 42.

The square root of 1455256446 is about 38147.8236076450. The cubic root of 1455256446 is about 1133.2172511056.

The spelling of 1455256446 in words is "one billion, four hundred fifty-five million, two hundred fifty-six thousand, four hundred forty-six".