149375243381 has 16 divisors (see below), whose sum is σ = 183871183104. Its totient is φ = 118171108224.

The previous prime is 149375243371. The next prime is 149375243383. The reversal of 149375243381 is 183342573941.

It is not a de Polignac number, because 149375243381 - 2⁶ = 149375243317 is a prime.

It is a super-2 number, since 2×149375243381² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149375243383) 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, 594425 + ... + 807521.

It is an arithmetic number, because the mean of its divisors is an integer number (11491948944).

Almost surely, 2^149375243381 is an apocalyptic number.

It is an amenable number.

149375243381 is a deficient number, since it is larger than the sum of its proper divisors (34495939723).

149375243381 is a wasteful number, since it uses less digits than its factorization.

149375243381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220820.

The product of its digits is 2177280, while the sum is 50.

The spelling of 149375243381 in words is "one hundred forty-nine billion, three hundred seventy-five million, two hundred forty-three thousand, three hundred eighty-one".