149431224620 has 24 divisors (see below), whose sum is σ = 314827752624. Its totient is φ = 59577788736.

The previous prime is 149431224611. The next prime is 149431224623. The reversal of 149431224620 is 26422134941.

It is a happy number.

149431224620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149431224623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12162527 + ... + 12174806.

It is an arithmetic number, because the mean of its divisors is an integer number (13117823026).

Almost surely, 2^149431224620 is an apocalyptic number.

149431224620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149431224620 is an abundant number, since it is smaller than the sum of its proper divisors (165396528004).

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

149431224620 is a wasteful number, since it uses less digits than its factorization.

149431224620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24337649 (or 24337647 counting only the distinct ones).

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

The spelling of 149431224620 in words is "one hundred forty-nine billion, four hundred thirty-one million, two hundred twenty-four thousand, six hundred twenty".