149285515 has 8 divisors (see below), whose sum is σ = 179324208. Its totient is φ = 119307360.

The previous prime is 149285509. The next prime is 149285519. The reversal of 149285515 is 515582941.

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

It is not a de Polignac number, because 149285515 - 2¹⁷ = 149154443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149285519) 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, 9517 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (22415526).

Almost surely, 2^149285515 is an apocalyptic number.

149285515 is a deficient number, since it is larger than the sum of its proper divisors (30038693).

149285515 is a wasteful number, since it uses less digits than its factorization.

149285515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30269.

The product of its digits is 72000, while the sum is 40.

The square root of 149285515 is about 12218.2451685993. The cubic root of 149285515 is about 530.4843264705.

The spelling of 149285515 in words is "one hundred forty-nine million, two hundred eighty-five thousand, five hundred fifteen".