149471859 has 8 divisors (see below), whose sum is σ = 201350800. Its totient is φ = 98620416.

The previous prime is 149471813. The next prime is 149471867. The reversal of 149471859 is 958174941.

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

It is not a de Polignac number, because 149471859 - 2⁷ = 149471731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149471869) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 256534 + ... + 257115.

It is an arithmetic number, because the mean of its divisors is an integer number (25168850).

Almost surely, 2^149471859 is an apocalyptic number.

149471859 is a deficient number, since it is larger than the sum of its proper divisors (51878941).

149471859 is an equidigital number, since it uses as much as digits as its factorization.

149471859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513749.

The product of its digits is 362880, while the sum is 48.

The square root of 149471859 is about 12225.8684354119. The cubic root of 149471859 is about 530.7049584349.

The spelling of 149471859 in words is "one hundred forty-nine million, four hundred seventy-one thousand, eight hundred fifty-nine".