149830142 has 48 divisors (see below), whose sum is σ = 297654912. Its totient is φ = 55828080.

The previous prime is 149830139. The next prime is 149830147. The reversal of 149830142 is 241038941.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 149830099 and 149830108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149830147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21773 + ... + 27815.

It is an arithmetic number, because the mean of its divisors is an integer number (6201144).

Almost surely, 2^149830142 is an apocalyptic number.

149830142 is a deficient number, since it is larger than the sum of its proper divisors (147824770).

149830142 is a wasteful number, since it uses less digits than its factorization.

149830142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6086 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 149830142 is about 12240.5123258792. The cubic root of 149830142 is about 531.1286521086.

The spelling of 149830142 in words is "one hundred forty-nine million, eight hundred thirty thousand, one hundred forty-two".