149620269 has 16 divisors (see below), whose sum is σ = 212166080. Its totient is φ = 93519360.

The previous prime is 149620253. The next prime is 149620277. The reversal of 149620269 is 962026941.

It is not a de Polignac number, because 149620269 - 2⁴ = 149620253 is a prime.

It is a super-3 number, since 3×149620269³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149620279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8002 + ... + 19059.

It is an arithmetic number, because the mean of its divisors is an integer number (13260380).

Almost surely, 2^149620269 is an apocalyptic number.

149620269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149620269 is a deficient number, since it is larger than the sum of its proper divisors (62545811).

149620269 is a wasteful number, since it uses less digits than its factorization.

149620269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 149620269 is about 12231.9364370487. The cubic root of 149620269 is about 530.8805452651.

The spelling of 149620269 in words is "one hundred forty-nine million, six hundred twenty thousand, two hundred sixty-nine".