149208307446 has 32 divisors (see below), whose sum is σ = 334343927808. Its totient is φ = 43992620640.

The previous prime is 149208307429. The next prime is 149208307453. The reversal of 149208307446 is 644703802941.

149208307446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149208307395 and 149208307404.

It is a congruent number.

It is an unprimeable number.

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, 30547990 + ... + 30552873.

It is an arithmetic number, because the mean of its divisors is an integer number (10448247744).

Almost surely, 2^149208307446 is an apocalyptic number.

149208307446 is an abundant number, since it is smaller than the sum of its proper divisors (185135620362).

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

149208307446 is a wasteful number, since it uses less digits than its factorization.

149208307446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61100916.

The product of its (nonzero) digits is 1161216, while the sum is 48.

It can be divided in two parts, 149208 and 307446, that added together give a palindrome (456654).

The spelling of 149208307446 in words is "one hundred forty-nine billion, two hundred eight million, three hundred seven thousand, four hundred forty-six".