149645262 has 16 divisors (see below), whose sum is σ = 322313040. Its totient is φ = 46044672.

The previous prime is 149645257. The next prime is 149645263. The reversal of 149645262 is 262546941.

It is a happy number.

It is a super-3 number, since 3×149645262³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 149645262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149645263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 959187 + ... + 959342.

It is an arithmetic number, because the mean of its divisors is an integer number (20144565).

Almost surely, 2^149645262 is an apocalyptic number.

149645262 is an abundant number, since it is smaller than the sum of its proper divisors (172667778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149645262 is a wasteful number, since it uses less digits than its factorization.

149645262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918547.

The product of its digits is 103680, while the sum is 39.

The square root of 149645262 is about 12232.9580233074. The cubic root of 149645262 is about 530.9101035570.

The spelling of 149645262 in words is "one hundred forty-nine million, six hundred forty-five thousand, two hundred sixty-two".