149012 has 6 divisors (see below), whose sum is σ = 260778. Its totient is φ = 74504.

The previous prime is 149011. The next prime is 149021. The reversal of 149012 is 210941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 148996 + 16 = 386^2 + 4^2 .

It is a super-2 number, since 2×149012² = 44409152288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149012.

It is not an unprimeable number, because it can be changed into a prime (149011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18623 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (43463).

2¹⁴⁹⁰¹² is an apocalyptic number.

It is an amenable number.

149012 is a deficient number, since it is larger than the sum of its proper divisors (111766).

149012 is a wasteful number, since it uses less digits than its factorization.

149012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37257 (or 37255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 149012 is about 386.0207248322. The cubic root of 149012 is about 53.0160150961.

Adding to 149012 its reverse (210941), we get a palindrome (359953).

The spelling of 149012 in words is "one hundred forty-nine thousand, twelve".