149144461518 has 32 divisors (see below), whose sum is σ = 321687424800. Its totient is φ = 45825860736.

The previous prime is 149144461517. The next prime is 149144461573. The reversal of 149144461518 is 815164441941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149144461517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293153 + ... + 1403756.

It is an arithmetic number, because the mean of its divisors is an integer number (10052732025).

Almost surely, 2^149144461518 is an apocalyptic number.

149144461518 is an abundant number, since it is smaller than the sum of its proper divisors (172542963282).

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

149144461518 is a wasteful number, since it uses less digits than its factorization.

149144461518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697636.

The product of its digits is 552960, while the sum is 48.

The spelling of 149144461518 in words is "one hundred forty-nine billion, one hundred forty-four million, four hundred sixty-one thousand, five hundred eighteen".