149397982 has 8 divisors (see below), whose sum is σ = 224400816. Its totient is φ = 74597712.

The previous prime is 149397977. The next prime is 149397991. The reversal of 149397982 is 289793941.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48783 + ... + 51754.

It is an arithmetic number, because the mean of its divisors is an integer number (28050102).

Almost surely, 2^149397982 is an apocalyptic number.

149397982 is a deficient number, since it is larger than the sum of its proper divisors (75002834).

149397982 is a wasteful number, since it uses less digits than its factorization.

149397982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101282.

The product of its digits is 979776, while the sum is 52.

The square root of 149397982 is about 12222.8467224293. The cubic root of 149397982 is about 530.6175097525.

The spelling of 149397982 in words is "one hundred forty-nine million, three hundred ninety-seven thousand, nine hundred eighty-two".