149023426142 has 32 divisors (see below), whose sum is σ = 242925281280. Its totient is φ = 68322489120.

The previous prime is 149023426141. The next prime is 149023426163. The reversal of 149023426142 is 241624320941.

It is a happy number.

149023426142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 149023426096 and 149023426105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149023426141) 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 15 ways as a sum of consecutive naturals, for example, 8918 + ... + 546009.

It is an arithmetic number, because the mean of its divisors is an integer number (7591415040).

Almost surely, 2^149023426142 is an apocalyptic number.

149023426142 is a deficient number, since it is larger than the sum of its proper divisors (93901855138).

149023426142 is a wasteful number, since it uses less digits than its factorization.

149023426142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555176.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 149023426142 in words is "one hundred forty-nine billion, twenty-three million, four hundred twenty-six thousand, one hundred forty-two".