149029539 has 16 divisors (see below), whose sum is σ = 201439392. Its totient is φ = 97993728.

The previous prime is 149029537. The next prime is 149029549. The reversal of 149029539 is 935920941.

It is not a de Polignac number, because 149029539 - 2¹ = 149029537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149029539.

It is not an unprimeable number, because it can be changed into a prime (149029537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107857 + ... + 109229.

It is an arithmetic number, because the mean of its divisors is an integer number (12589962).

Almost surely, 2^149029539 is an apocalyptic number.

149029539 is a deficient number, since it is larger than the sum of its proper divisors (52409853).

149029539 is a wasteful number, since it uses less digits than its factorization.

149029539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 149029539 is about 12207.7655203563. The cubic root of 149029539 is about 530.1809504362.

The spelling of 149029539 in words is "one hundred forty-nine million, twenty-nine thousand, five hundred thirty-nine".