145895544 has 24 divisors (see below), whose sum is σ = 395133960. Its totient is φ = 48631824.

The previous prime is 145895539. The next prime is 145895573. The reversal of 145895544 is 445598541.

145895544 is a `hidden beast` number, since 14 + 5 + 8 + 95 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 145895544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1013092 + ... + 1013235.

It is an arithmetic number, because the mean of its divisors is an integer number (16463915).

Almost surely, 2^145895544 is an apocalyptic number.

It is an amenable number.

145895544 is an abundant number, since it is smaller than the sum of its proper divisors (249238416).

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

145895544 is a wasteful number, since it uses less digits than its factorization.

145895544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026339 (or 2026332 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 145895544 is about 12078.7227801618. The cubic root of 145895544 is about 526.4381358199.

The spelling of 145895544 in words is "one hundred forty-five million, eight hundred ninety-five thousand, five hundred forty-four".