154932641 has 4 divisors (see below), whose sum is σ = 155883312. Its totient is φ = 153981972.

The previous prime is 154932599. The next prime is 154932677. The reversal of 154932641 is 146239451.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146239451 = 23 ⋅6358237.

It is a cyclic number.

It is not a de Polignac number, because 154932641 - 2¹⁸ = 154670497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154932241) 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, 475091 + ... + 475416.

It is an arithmetic number, because the mean of its divisors is an integer number (38970828).

Almost surely, 2^154932641 is an apocalyptic number.

It is an amenable number.

154932641 is a deficient number, since it is larger than the sum of its proper divisors (950671).

154932641 is an equidigital number, since it uses as much as digits as its factorization.

154932641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950670.

The product of its digits is 25920, while the sum is 35.

The square root of 154932641 is about 12447.1941014833. The cubic root of 154932641 is about 537.0907110255.

The spelling of 154932641 in words is "one hundred fifty-four million, nine hundred thirty-two thousand, six hundred forty-one".