149165533 has 24 divisors (see below), whose sum is σ = 168920640. Its totient is φ = 131577600.

The previous prime is 149165491. The next prime is 149165593. The reversal of 149165533 is 335561941.

It is a happy number.

149165533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149165533 - 2²¹ = 147068381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149165492 and 149165501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149165593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833238 + ... + 833416.

It is an arithmetic number, because the mean of its divisors is an integer number (7038360).

Almost surely, 2^149165533 is an apocalyptic number.

It is an amenable number.

149165533 is a deficient number, since it is larger than the sum of its proper divisors (19755107).

149165533 is a wasteful number, since it uses less digits than its factorization.

149165533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 358 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 149165533 is about 12213.3342294396. The cubic root of 149165533 is about 530.3421701698.

It can be divided in two parts, 14916 and 5533, that added together give a square (20449 = 143²).

The spelling of 149165533 in words is "one hundred forty-nine million, one hundred sixty-five thousand, five hundred thirty-three".