149565039 has 8 divisors (see below), whose sum is σ = 214760112. Its totient is φ = 92040000.

The previous prime is 149565037. The next prime is 149565071. The reversal of 149565039 is 930565941.

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

It is not a de Polignac number, because 149565039 - 2¹ = 149565037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149565037) 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, 1917462 + ... + 1917539.

It is an arithmetic number, because the mean of its divisors is an integer number (26845014).

Almost surely, 2^149565039 is an apocalyptic number.

149565039 is a deficient number, since it is larger than the sum of its proper divisors (65195073).

149565039 is a wasteful number, since it uses less digits than its factorization.

149565039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835017.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 149565039 is about 12229.6786139293. The cubic root of 149565039 is about 530.8152151215.

The spelling of 149565039 in words is "one hundred forty-nine million, five hundred sixty-five thousand, thirty-nine".