149273650 has 24 divisors (see below), whose sum is σ = 278882820. Its totient is φ = 59444160.

The previous prime is 149273639. The next prime is 149273659. The reversal of 149273650 is 56372941.

149273650 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 6 ways, for example, as 104878081 + 44395569 = 10241^2 + 6663^2 .

It is not an unprimeable number, because it can be changed into a prime (149273659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4932 + ... + 17968.

Almost surely, 2^149273650 is an apocalyptic number.

149273650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149273650 is a deficient number, since it is larger than the sum of its proper divisors (129609170).

149273650 is a wasteful number, since it uses less digits than its factorization.

149273650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13278 (or 13273 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 149273650 is about 12217.7596145938. The cubic root of 149273650 is about 530.4702720521.

The spelling of 149273650 in words is "one hundred forty-nine million, two hundred seventy-three thousand, six hundred fifty".