149245399 has 8 divisors (see below), whose sum is σ = 157703040. Its totient is φ = 140848056.

The previous prime is 149245379. The next prime is 149245409. The reversal of 149245399 is 993542941.

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

It is a cyclic number.

It is not a de Polignac number, because 149245399 - 2²¹ = 147148247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149245319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9937 + ... + 19930.

It is an arithmetic number, because the mean of its divisors is an integer number (19712880).

Almost surely, 2^149245399 is an apocalyptic number.

149245399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

149245399 is a deficient number, since it is larger than the sum of its proper divisors (8457641).

149245399 is a wasteful number, since it uses less digits than its factorization.

149245399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30149.

The product of its digits is 349920, while the sum is 46.

The square root of 149245399 is about 12216.6034150250. The cubic root of 149245399 is about 530.4368049685.

The spelling of 149245399 in words is "one hundred forty-nine million, two hundred forty-five thousand, three hundred ninety-nine".