146999906 has 8 divisors (see below), whose sum is σ = 220992300. Its totient is φ = 73335808.

The previous prime is 146999893. The next prime is 146999939. The reversal of 146999906 is 609999641.

It can be written as a sum of positive squares in 2 ways, for example, as 141824281 + 5175625 = 11909^2 + 2275^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80951 + ... + 82746.

Almost surely, 2^146999906 is an apocalyptic number.

146999906 is a deficient number, since it is larger than the sum of its proper divisors (73992394).

146999906 is a wasteful number, since it uses less digits than its factorization.

146999906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164148.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 146999906 is about 12124.3517764869. The cubic root of 146999906 is about 527.7630962966.

The spelling of 146999906 in words is "one hundred forty-six million, nine hundred ninety-nine thousand, nine hundred six".