149579851 has 4 divisors (see below), whose sum is σ = 149604400. Its totient is φ = 149555304.

The previous prime is 149579839. The next prime is 149579891. The reversal of 149579851 is 158975941.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 149579851 - 2⁵ = 149579819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149579795 and 149579804.

It is not an unprimeable number, because it can be changed into a prime (149579831) 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 3 ways as a sum of consecutive naturals, for example, 4585 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (37401100).

Almost surely, 2^149579851 is an apocalyptic number.

149579851 is a deficient number, since it is larger than the sum of its proper divisors (24549).

149579851 is a wasteful number, since it uses less digits than its factorization.

149579851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548.

The product of its digits is 453600, while the sum is 49.

The square root of 149579851 is about 12230.2841749487. The cubic root of 149579851 is about 530.8327374326.

The spelling of 149579851 in words is "one hundred forty-nine million, five hundred seventy-nine thousand, eight hundred fifty-one".