149253895512 has 32 divisors (see below), whose sum is σ = 414594154800. Its totient is φ = 49751298432.

The previous prime is 149253895507. The next prime is 149253895517. The reversal of 149253895512 is 215598352941.

149253895512 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 5 + 3 + 89 + 551 + 2 = 666.

149253895512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149253895507) and next prime (149253895517).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149253895517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345494913 + ... + 345495344.

Almost surely, 2^149253895512 is an apocalyptic number.

149253895512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149253895512 is an abundant number, since it is smaller than the sum of its proper divisors (265340259288).

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

149253895512 is a wasteful number, since it uses less digits than its factorization.

149253895512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690990272 (or 690990262 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The spelling of 149253895512 in words is "one hundred forty-nine billion, two hundred fifty-three million, eight hundred ninety-five thousand, five hundred twelve".