149046641 has 4 divisors (see below), whose sum is σ = 149136372. Its totient is φ = 148956912.

The previous prime is 149046629. The next prime is 149046649. The reversal of 149046641 is 146640941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146640941 = 389 ⋅376969.

It can be written as a sum of positive squares in 2 ways, for example, as 83905600 + 65141041 = 9160^2 + 8071^2 .

It is not a de Polignac number, because 149046641 - 2⁶ = 149046577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149046649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42326 + ... + 45711.

It is an arithmetic number, because the mean of its divisors is an integer number (37284093).

Almost surely, 2^149046641 is an apocalyptic number.

It is an amenable number.

149046641 is a deficient number, since it is larger than the sum of its proper divisors (89731).

149046641 is an equidigital number, since it uses as much as digits as its factorization.

149046641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89730.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 149046641 is about 12208.4659560487. The cubic root of 149046641 is about 530.2012301022.

The spelling of 149046641 in words is "one hundred forty-nine million, forty-six thousand, six hundred forty-one".