149840973 has 12 divisors (see below), whose sum is σ = 227828640. Its totient is φ = 94636296.

The previous prime is 149840963. The next prime is 149840983. The reversal of 149840973 is 379048941.

149840973 is digitally balanced in base 2, 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 (149840963) and next prime (149840983).

It is a de Polignac number, because none of the positive numbers 2^k-149840973 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149840903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437961 + ... + 438302.

It is an arithmetic number, because the mean of its divisors is an integer number (18985720).

Almost surely, 2^149840973 is an apocalyptic number.

It is an amenable number.

149840973 is a deficient number, since it is larger than the sum of its proper divisors (77987667).

149840973 is a wasteful number, since it uses less digits than its factorization.

149840973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876288 (or 876285 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 149840973 is about 12240.9547421760. The cubic root of 149840973 is about 531.1414499692.

The spelling of 149840973 in words is "one hundred forty-nine million, eight hundred forty thousand, nine hundred seventy-three".