149529863742 has 64 divisors (see below), whose sum is σ = 353766528000. Its totient is φ = 41226474240.

The previous prime is 149529863741. The next prime is 149529863767. The reversal of 149529863742 is 247368925941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149529863741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2196634 + ... + 2263682.

It is an arithmetic number, because the mean of its divisors is an integer number (5527602000).

Almost surely, 2^149529863742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149529863742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176883264000).

149529863742 is an abundant number, since it is smaller than the sum of its proper divisors (204236664258).

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

149529863742 is a wasteful number, since it uses less digits than its factorization.

149529863742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68921.

The product of its digits is 26127360, while the sum is 60.

The spelling of 149529863742 in words is "one hundred forty-nine billion, five hundred twenty-nine million, eight hundred sixty-three thousand, seven hundred forty-two".