149556733 has 8 divisors (see below), whose sum is σ = 157766400. Its totient is φ = 141380928.

The previous prime is 149556731. The next prime is 149556739. The reversal of 149556733 is 337655941.

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 149556733 - 2¹ = 149556731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149556733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149556731) 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, 885 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (19720800).

Almost surely, 2^149556733 is an apocalyptic number.

It is an amenable number.

149556733 is a deficient number, since it is larger than the sum of its proper divisors (8209667).

149556733 is a wasteful number, since it uses less digits than its factorization.

149556733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931.

The product of its digits is 340200, while the sum is 43.

The square root of 149556733 is about 12229.3390254748. The cubic root of 149556733 is about 530.8053887770.

The spelling of 149556733 in words is "one hundred forty-nine million, five hundred fifty-six thousand, seven hundred thirty-three".