145050551649 has 24 divisors (see below), whose sum is σ = 216471478080. Its totient is φ = 93534491232.

The previous prime is 145050551617. The next prime is 145050551663. The reversal of 145050551649 is 946155050541.

145050551649 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 50 + 551 + 6 + 49 = 666.

145050551649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145050551649 - 2⁵ = 145050551617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145050551689) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1779594 + ... + 1859315.

It is an arithmetic number, because the mean of its divisors is an integer number (9019644920).

Almost surely, 2^145050551649 is an apocalyptic number.

It is an amenable number.

145050551649 is a deficient number, since it is larger than the sum of its proper divisors (71420926431).

145050551649 is a wasteful number, since it uses less digits than its factorization.

145050551649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639061 (or 3639058 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 145050551649 in words is "one hundred forty-five billion, fifty million, five hundred fifty-one thousand, six hundred forty-nine".