149111533 has 8 divisors (see below), whose sum is σ = 154939680. Its totient is φ = 143329200.

The previous prime is 149111531. The next prime is 149111537. The reversal of 149111533 is 335111941.

149111533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 149111533 - 2¹ = 149111531 is a prime.

It is a super-2 number, since 2×149111533² = 44468498547220178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149111531) 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, 4743 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (19367460).

Almost surely, 2^149111533 is an apocalyptic number.

It is an amenable number.

149111533 is a deficient number, since it is larger than the sum of its proper divisors (5828147).

149111533 is a wasteful number, since it uses less digits than its factorization.

149111533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907.

The product of its digits is 1620, while the sum is 28.

The square root of 149111533 is about 12211.1233307997. The cubic root of 149111533 is about 530.2781653622.

The spelling of 149111533 in words is "one hundred forty-nine million, one hundred eleven thousand, five hundred thirty-three".