149970571 has 8 divisors (see below), whose sum is σ = 155883600. Its totient is φ = 144107040.

The previous prime is 149970563. The next prime is 149970577. The reversal of 149970571 is 175079941.

149970571 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 149970571 - 2³ = 149970563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149970577) 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, 6136 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (19485450).

Almost surely, 2^149970571 is an apocalyptic number.

149970571 is a deficient number, since it is larger than the sum of its proper divisors (5913029).

149970571 is a wasteful number, since it uses less digits than its factorization.

149970571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24749.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 149970571 is about 12246.2472210878. The cubic root of 149970571 is about 531.2945345642.

The spelling of 149970571 in words is "one hundred forty-nine million, nine hundred seventy thousand, five hundred seventy-one".