149952381187 has 8 divisors (see below), whose sum is σ = 171384233472. Its totient is φ = 128523049800.

The previous prime is 149952381167. The next prime is 149952381209. The reversal of 149952381187 is 781183259941.

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

It is a cyclic number.

It is not a de Polignac number, because 149952381187 - 2²⁷ = 149818163459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149952381157) 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, 500989 + ... + 742222.

It is an arithmetic number, because the mean of its divisors is an integer number (21423029184).

Almost surely, 2^149952381187 is an apocalyptic number.

149952381187 is a deficient number, since it is larger than the sum of its proper divisors (21431852285).

149952381187 is a wasteful number, since it uses less digits than its factorization.

149952381187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260449.

The product of its digits is 4354560, while the sum is 58.

The spelling of 149952381187 in words is "one hundred forty-nine billion, nine hundred fifty-two million, three hundred eighty-one thousand, one hundred eighty-seven".