158744052 has 18 divisors (see below), whose sum is σ = 401269778. Its totient is φ = 52914672.

The previous prime is 158744029. The next prime is 158744077. The reversal of 158744052 is 250447851.

It can be written as a sum of positive squares in only one way, i.e., 88284816 + 70459236 = 9396^2 + 8394^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4409557 = 158744052 / (1 + 5 + 8 + 7 + 4 + 4 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 158743998 and 158744016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2204743 + ... + 2204814.

Almost surely, 2^158744052 is an apocalyptic number.

158744052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158744052 is an abundant number, since it is smaller than the sum of its proper divisors (242525726).

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

158744052 is a wasteful number, since it uses less digits than its factorization.

158744052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409567 (or 4409562 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 158744052 is about 12599.3671269632. The cubic root of 158744052 is about 541.4593038325.

The spelling of 158744052 in words is "one hundred fifty-eight million, seven hundred forty-four thousand, fifty-two".