149240986 has 8 divisors (see below), whose sum is σ = 223935444. Its totient is φ = 74595840.

The previous prime is 149240983. The next prime is 149241061. The reversal of 149240986 is 689042941.

149240986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136773025 + 12467961 = 11695^2 + 3531^2 .

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

It is not an unprimeable number, because it can be changed into a prime (149240983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495 + ... + 17626.

Almost surely, 2^149240986 is an apocalyptic number.

149240986 is a deficient number, since it is larger than the sum of its proper divisors (74694458).

149240986 is a wasteful number, since it uses less digits than its factorization.

149240986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24656.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 149240986 is about 12216.4227988393. The cubic root of 149240986 is about 530.4315767990.

The spelling of 149240986 in words is "one hundred forty-nine million, two hundred forty thousand, nine hundred eighty-six".