158761490 has 8 divisors (see below), whose sum is σ = 285770700. Its totient is φ = 63504592.

The previous prime is 158761489. The next prime is 158761501. The reversal of 158761490 is 94167851.

158761490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130256569 + 28504921 = 11413^2 + 5339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7938065 + ... + 7938084.

Almost surely, 2^158761490 is an apocalyptic number.

158761490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158761490 is a deficient number, since it is larger than the sum of its proper divisors (127009210).

158761490 is a wasteful number, since it uses less digits than its factorization.

158761490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15876156.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 158761490 is about 12600.0591268454. The cubic root of 158761490 is about 541.4791295026.

The spelling of 158761490 in words is "one hundred fifty-eight million, seven hundred sixty-one thousand, four hundred ninety".