158481044 has 6 divisors (see below), whose sum is σ = 277341834. Its totient is φ = 79240520.

The previous prime is 158481007. The next prime is 158481061. The reversal of 158481044 is 440184851.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94672900 + 63808144 = 9730^2 + 7988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158480995 and 158481013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19810127 + ... + 19810134.

It is an arithmetic number, because the mean of its divisors is an integer number (46223639).

Almost surely, 2^158481044 is an apocalyptic number.

It is an amenable number.

158481044 is a deficient number, since it is larger than the sum of its proper divisors (118860790).

158481044 is a wasteful number, since it uses less digits than its factorization.

158481044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39620265 (or 39620263 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 158481044 is about 12588.9254505696. The cubic root of 158481044 is about 541.1601076384.

It can be divided in two parts, 1584 and 81044, that added together give a palindrome (82628).

The spelling of 158481044 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, forty-four".