149714509 has 16 divisors (see below), whose sum is σ = 180503680. Its totient is φ = 121305600.

The previous prime is 149714479. The next prime is 149714533. The reversal of 149714509 is 905417941.

It is a cyclic number.

It is not a de Polignac number, because 149714509 - 2¹³ = 149706317 is a prime.

It is a super-2 number, since 2×149714509² = 44828868410222162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149714549) 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, 78997 + ... + 80869.

It is an arithmetic number, because the mean of its divisors is an integer number (11281480).

Almost surely, 2^149714509 is an apocalyptic number.

149714509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149714509 is a deficient number, since it is larger than the sum of its proper divisors (30789171).

149714509 is a wasteful number, since it uses less digits than its factorization.

149714509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 149714509 is about 12235.7880416424. The cubic root of 149714509 is about 530.9919822216.

The spelling of 149714509 in words is "one hundred forty-nine million, seven hundred fourteen thousand, five hundred nine".