148685557 has 8 divisors (see below), whose sum is σ = 152570880. Its totient is φ = 144812640.

The previous prime is 148685543. The next prime is 148685561. The reversal of 148685557 is 755586841.

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

It is a cyclic number.

It is not a de Polignac number, because 148685557 - 2⁷ = 148685429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148685557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148655557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24268 + ... + 29770.

It is an arithmetic number, because the mean of its divisors is an integer number (19071360).

Almost surely, 2^148685557 is an apocalyptic number.

It is an amenable number.

148685557 is a deficient number, since it is larger than the sum of its proper divisors (3885323).

148685557 is an equidigital number, since it uses as much as digits as its factorization.

148685557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203.

The product of its digits is 1344000, while the sum is 49.

The square root of 148685557 is about 12193.6687260234. The cubic root of 148685557 is about 529.7727244353.

The spelling of 148685557 in words is "one hundred forty-eight million, six hundred eighty-five thousand, five hundred fifty-seven".