149397054 has 32 divisors (see below), whose sum is σ = 318051360. Its totient is φ = 46620672.

The previous prime is 149397041. The next prime is 149397077. The reversal of 149397054 is 450793941.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149396997 and 149397015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15892 + ... + 23480.

It is an arithmetic number, because the mean of its divisors is an integer number (9939105).

Almost surely, 2^149397054 is an apocalyptic number.

149397054 is an abundant number, since it is smaller than the sum of its proper divisors (168654306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149397054 is a wasteful number, since it uses less digits than its factorization.

149397054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 149397054 is about 12222.8087606736. The cubic root of 149397054 is about 530.6164110896.

The spelling of 149397054 in words is "one hundred forty-nine million, three hundred ninety-seven thousand, fifty-four".