146349399 has 32 divisors (see below), whose sum is σ = 235653120. Its totient is φ = 79011072.

The previous prime is 146349383. The next prime is 146349407. The reversal of 146349399 is 993943641.

It is not a de Polignac number, because 146349399 - 2⁴ = 146349383 is a prime.

It is a super-2 number, since 2×146349399² = 42836293175322402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146349199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26067 + ... + 31179.

It is an arithmetic number, because the mean of its divisors is an integer number (7364160).

Almost surely, 2^146349399 is an apocalyptic number.

146349399 is a deficient number, since it is larger than the sum of its proper divisors (89303721).

146349399 is a wasteful number, since it uses less digits than its factorization.

146349399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199.

The product of its digits is 629856, while the sum is 48.

The square root of 146349399 is about 12097.4955672652. The cubic root of 146349399 is about 526.9834557756.

The spelling of 146349399 in words is "one hundred forty-six million, three hundred forty-nine thousand, three hundred ninety-nine".