149953268644 has 9 divisors (see below), whose sum is σ = 262419575467. Its totient is φ = 74976247084.

The previous prime is 149953268623. The next prime is 149953268711. The reversal of 149953268644 is 446862359941.

The square root of 149953268644 is 387238.

It is a perfect power (a square), and thus also a powerful number.

149953268644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 677667 + ... + 871285.

Almost surely, 2^149953268644 is an apocalyptic number.

149953268644 is the 387238-th square number.

It is an amenable number.

149953268644 is a deficient number, since it is larger than the sum of its proper divisors (112466306823).

149953268644 is an frugal number, since it uses more digits than its factorization.

149953268644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387242 (or 193621 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 149953268644 in words is "one hundred forty-nine billion, nine hundred fifty-three million, two hundred sixty-eight thousand, six hundred forty-four".