149945264 has 80 divisors (see below), whose sum is σ = 360929280. Its totient is φ = 58890240.

The previous prime is 149945261. The next prime is 149945291. The reversal of 149945264 is 462549941.

It is not an unprimeable number, because it can be changed into a prime (149945261) 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, 64832 + ... + 67104.

It is an arithmetic number, because the mean of its divisors is an integer number (4511616).

Almost surely, 2^149945264 is an apocalyptic number.

149945264 is a gapful number since it is divisible by the number (14) 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 149945264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180464640).

149945264 is an abundant number, since it is smaller than the sum of its proper divisors (210984016).

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

149945264 is a wasteful number, since it uses less digits than its factorization.

149945264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2332 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 149945264 is about 12245.2139221820. The cubic root of 149945264 is about 531.2646481959.

The spelling of 149945264 in words is "one hundred forty-nine million, nine hundred forty-five thousand, two hundred sixty-four".