56454145 has 8 divisors (see below), whose sum is σ = 73903680. Its totient is φ = 41057520.

The previous prime is 56454143. The next prime is 56454157. The reversal of 56454145 is 54145465.

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

It is not a de Polignac number, because 56454145 - 2¹ = 56454143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56454145.

It is not an unprimeable number, because it can be changed into a prime (56454143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513165 + ... + 513274.

It is an arithmetic number, because the mean of its divisors is an integer number (9237960).

Almost surely, 2^56454145 is an apocalyptic number.

56454145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56454145 is a deficient number, since it is larger than the sum of its proper divisors (17449535).

56454145 is a wasteful number, since it uses less digits than its factorization.

56454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026455.

The product of its digits is 48000, while the sum is 34.

The square root of 56454145 is about 7513.5973408215. The cubic root of 56454145 is about 383.6176772897.

The spelling of 56454145 in words is "fifty-six million, four hundred fifty-four thousand, one hundred forty-five".