158049550 has 36 divisors (see below), whose sum is σ = 299532168. Its totient is φ = 62034000.

The previous prime is 158049539. The next prime is 158049589. The reversal of 158049550 is 55940851.

158049550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 748945 + ... + 749155.

It is an arithmetic number, because the mean of its divisors is an integer number (8320338).

Almost surely, 2^158049550 is an apocalyptic number.

158049550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158049550 is a deficient number, since it is larger than the sum of its proper divisors (141482618).

158049550 is an equidigital number, since it uses as much as digits as its factorization.

158049550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 158049550 is about 12571.7759286427. The cubic root of 158049550 is about 540.6685250133.

The spelling of 158049550 in words is "one hundred fifty-eight million, forty-nine thousand, five hundred fifty".