149506946 has 16 divisors (see below), whose sum is σ = 235376064. Its totient is φ = 71086224.

The previous prime is 149506939. The next prime is 149506957. The reversal of 149506946 is 649605941.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149506897 and 149506906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (14711004).

Almost surely, 2^149506946 is an apocalyptic number.

149506946 is a deficient number, since it is larger than the sum of its proper divisors (85869118).

149506946 is a wasteful number, since it uses less digits than its factorization.

149506946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 149506946 is about 12227.3033004011. The cubic root of 149506946 is about 530.7464810514.

The spelling of 149506946 in words is "one hundred forty-nine million, five hundred six thousand, nine hundred forty-six".