149548399 has 16 divisors (see below), whose sum is σ = 200793600. Its totient is φ = 107566560.

The previous prime is 149548387. The next prime is 149548403. The reversal of 149548399 is 993845941.

It is a cyclic number.

It is not a de Polignac number, because 149548399 - 2²⁷ = 15330671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149548499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73699 + ... + 75700.

It is an arithmetic number, because the mean of its divisors is an integer number (12549600).

Almost surely, 2^149548399 is an apocalyptic number.

149548399 is a deficient number, since it is larger than the sum of its proper divisors (51245201).

149548399 is a wasteful number, since it uses less digits than its factorization.

149548399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149430.

The product of its digits is 1399680, while the sum is 52.

The square root of 149548399 is about 12228.9982827703. The cubic root of 149548399 is about 530.7955289416.

It can be divided in two parts, 1495 and 48399, that added together give a palindrome (49894).

The spelling of 149548399 in words is "one hundred forty-nine million, five hundred forty-eight thousand, three hundred ninety-nine".