149686485 has 16 divisors (see below), whose sum is σ = 257921664. Its totient is φ = 73691712.

The previous prime is 149686441. The next prime is 149686489. The reversal of 149686485 is 584686941.

It is not a de Polignac number, because 149686485 - 2¹⁶ = 149620949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149686489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383617 + ... + 384006.

It is an arithmetic number, because the mean of its divisors is an integer number (16120104).

Almost surely, 2^149686485 is an apocalyptic number.

149686485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149686485 is a deficient number, since it is larger than the sum of its proper divisors (108235179).

149686485 is a wasteful number, since it uses less digits than its factorization.

149686485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767644.

The product of its digits is 1658880, while the sum is 51.

The square root of 149686485 is about 12234.6428227390. The cubic root of 149686485 is about 530.9588492765.

The spelling of 149686485 in words is "one hundred forty-nine million, six hundred eighty-six thousand, four hundred eighty-five".