149022 has 24 divisors (see below), whose sum is σ = 342576. Its totient is φ = 46656.

The previous prime is 149021. The next prime is 149027. The reversal of 149022 is 220941.

149022 = 9² + 10² + ... + 76².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 148986 and 149004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 549.

It is an arithmetic number, because the mean of its divisors is an integer number (14274).

2¹⁴⁹⁰²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171288).

149022 is an abundant number, since it is smaller than the sum of its proper divisors (193554).

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

149022 is a wasteful number, since it uses less digits than its factorization.

149022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 149022 is about 386.0336772874. The cubic root of 149022 is about 53.0172010147.

Adding to 149022 its reverse (220941), we get a palindrome (369963).

The spelling of 149022 in words is "one hundred forty-nine thousand, twenty-two".