145887044 has 12 divisors (see below), whose sum is σ = 256175724. Its totient is φ = 72693984.

The previous prime is 145887031. The next prime is 145887067. The reversal of 145887044 is 440788541.

It can be written as a sum of positive squares in 2 ways, for example, as 131974144 + 13912900 = 11488^2 + 3730^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145886992 and 145887010.

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 3 ways as a sum of consecutive naturals, for example, 61067 + ... + 63410.

It is an arithmetic number, because the mean of its divisors is an integer number (21347977).

Almost surely, 2^145887044 is an apocalyptic number.

It is an amenable number.

145887044 is a deficient number, since it is larger than the sum of its proper divisors (110288680).

145887044 is a wasteful number, since it uses less digits than its factorization.

145887044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124774 (or 124772 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 145887044 is about 12078.3709166427. The cubic root of 145887044 is about 526.4279120416.

The spelling of 145887044 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, forty-four".