154050661 has 4 divisors (see below), whose sum is σ = 154321024. Its totient is φ = 153780300.

The previous prime is 154050649. The next prime is 154050667. The reversal of 154050661 is 166050451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154050661 - 2¹¹ = 154048613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154050667) 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, 134325 + ... + 135466.

It is an arithmetic number, because the mean of its divisors is an integer number (38580256).

Almost surely, 2^154050661 is an apocalyptic number.

It is an amenable number.

154050661 is a deficient number, since it is larger than the sum of its proper divisors (270363).

154050661 is an equidigital number, since it uses as much as digits as its factorization.

154050661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270362.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 154050661 is about 12411.7146680062. The cubic root of 154050661 is about 536.0696113738.

The spelling of 154050661 in words is "one hundred fifty-four million, fifty thousand, six hundred sixty-one".