149249381458 has 8 divisors (see below), whose sum is σ = 225110946060. Its totient is φ = 74212399440.

The previous prime is 149249381453. The next prime is 149249381467. The reversal of 149249381458 is 854183942941.

It can be written as a sum of positive squares in 2 ways, for example, as 140060817009 + 9188564449 = 374247^2 + 95857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (149249381453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206145193 + ... + 206145916.

Almost surely, 2^149249381458 is an apocalyptic number.

149249381458 is a deficient number, since it is larger than the sum of its proper divisors (75861564602).

149249381458 is a wasteful number, since it uses less digits than its factorization.

149249381458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412291292.

The product of its digits is 9953280, while the sum is 58.

The spelling of 149249381458 in words is "one hundred forty-nine billion, two hundred forty-nine million, three hundred eighty-one thousand, four hundred fifty-eight".