149521940544 has 56 divisors (see below), whose sum is σ = 395742708640. Its totient is φ = 49823944704.

The previous prime is 149521940531. The next prime is 149521940549. The reversal of 149521940544 is 445049125941.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 149521940493 and 149521940502.

It is not an unprimeable number, because it can be changed into a prime (149521940549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450672 + ... + 708624.

Almost surely, 2^149521940544 is an apocalyptic number.

It is an amenable number.

149521940544 is an abundant number, since it is smaller than the sum of its proper divisors (246220768096).

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

149521940544 is a wasteful number, since it uses less digits than its factorization.

149521940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260987 (or 260977 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 149521940544 in words is "one hundred forty-nine billion, five hundred twenty-one million, nine hundred forty thousand, five hundred forty-four".