149871502 has 8 divisors (see below), whose sum is σ = 245244312. Its totient is φ = 68123400.

The previous prime is 149871481. The next prime is 149871511. The reversal of 149871502 is 205178941.

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

It is a super-2 number, since 2×149871502² = 44922934223472008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406149 + ... + 3406192.

It is an arithmetic number, because the mean of its divisors is an integer number (30655539).

Almost surely, 2^149871502 is an apocalyptic number.

149871502 is a deficient number, since it is larger than the sum of its proper divisors (95372810).

149871502 is a wasteful number, since it uses less digits than its factorization.

149871502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812354.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 149871502 is about 12242.2016810703. The cubic root of 149871502 is about 531.1775195788.

The spelling of 149871502 in words is "one hundred forty-nine million, eight hundred seventy-one thousand, five hundred two".