149983357 has 4 divisors (see below), whose sum is σ = 150114816. Its totient is φ = 149851900.

The previous prime is 149983349. The next prime is 149983381. The reversal of 149983357 is 753389941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149983357 - 2³ = 149983349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149983357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149983307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64003 + ... + 66304.

It is an arithmetic number, because the mean of its divisors is an integer number (37528704).

Almost surely, 2^149983357 is an apocalyptic number.

It is an amenable number.

149983357 is a deficient number, since it is larger than the sum of its proper divisors (131459).

149983357 is a wasteful number, since it uses less digits than its factorization.

149983357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131458.

The product of its digits is 816480, while the sum is 49.

The square root of 149983357 is about 12246.7692474383. The cubic root of 149983357 is about 531.3096329461.

The spelling of 149983357 in words is "one hundred forty-nine million, nine hundred eighty-three thousand, three hundred fifty-seven".