149620272 has 80 divisors (see below), whose sum is σ = 398331648. Its totient is φ = 48372480.

The previous prime is 149620253. The next prime is 149620277. The reversal of 149620272 is 272026941.

It is not an unprimeable number, because it can be changed into a prime (149620277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261747 + ... + 262317.

Almost surely, 2^149620272 is an apocalyptic number.

149620272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149620272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199165824).

149620272 is an abundant number, since it is smaller than the sum of its proper divisors (248711376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149620272 is a wasteful number, since it uses less digits than its factorization.

149620272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 149620272 is about 12231.9365596785. The cubic root of 149620272 is about 530.8805488133.

The spelling of 149620272 in words is "one hundred forty-nine million, six hundred twenty thousand, two hundred seventy-two".