149613641 has 8 divisors (see below), whose sum is σ = 153310080. Its totient is φ = 145927152.

The previous prime is 149613589. The next prime is 149613649. The reversal of 149613641 is 146316941.

149613641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 149613641 - 2¹⁴ = 149597257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149613649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34640 + ... + 38718.

It is an arithmetic number, because the mean of its divisors is an integer number (19163760).

Almost surely, 2^149613641 is an apocalyptic number.

It is an amenable number.

149613641 is a deficient number, since it is larger than the sum of its proper divisors (3696439).

149613641 is an equidigital number, since it uses as much as digits as its factorization.

149613641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975.

The product of its digits is 15552, while the sum is 35.

The square root of 149613641 is about 12231.6655039287. The cubic root of 149613641 is about 530.8727060237.

The spelling of 149613641 in words is "one hundred forty-nine million, six hundred thirteen thousand, six hundred forty-one".