445854154 has 4 divisors (see below), whose sum is σ = 668781234. Its totient is φ = 222927076.

The previous prime is 445854139. The next prime is 445854161. The reversal of 445854154 is 451458544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 353252025 + 92602129 = 18795^2 + 9623^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111463537 + ... + 111463540.

Almost surely, 2^445854154 is an apocalyptic number.

445854154 is a deficient number, since it is larger than the sum of its proper divisors (222927080).

445854154 is a wasteful number, since it uses less digits than its factorization.

445854154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222927079.

The product of its digits is 256000, while the sum is 40.

The square root of 445854154 is about 21115.2587954777. The cubic root of 445854154 is about 763.9488340962.

The spelling of 445854154 in words is "four hundred forty-five million, eight hundred fifty-four thousand, one hundred fifty-four".