149144993484 has 12 divisors (see below), whose sum is σ = 348004984824. Its totient is φ = 49714997824.

The previous prime is 149144993479. The next prime is 149144993489. The reversal of 149144993484 is 484399441941.

It is an interprime number because it is at equal distance from previous prime (149144993479) and next prime (149144993489).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (149144993489) 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, 6214374717 + ... + 6214374740.

It is an arithmetic number, because the mean of its divisors is an integer number (29000415402).

Almost surely, 2^149144993484 is an apocalyptic number.

It is an amenable number.

149144993484 is an abundant number, since it is smaller than the sum of its proper divisors (198859991340).

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

149144993484 is a wasteful number, since it uses less digits than its factorization.

149144993484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428749464 (or 12428749462 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 60.

The spelling of 149144993484 in words is "one hundred forty-nine billion, one hundred forty-four million, nine hundred ninety-three thousand, four hundred eighty-four".