154216641 has 8 divisors (see below), whose sum is σ = 205680384. Its totient is φ = 102782000.

The previous prime is 154216627. The next prime is 154216649. The reversal of 154216641 is 146612451.

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 154216641 - 2¹⁸ = 153954497 is a prime.

It is a super-2 number, since 2×154216641² = 47565544722645762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154216599 and 154216608.

It is not an unprimeable number, because it can be changed into a prime (154216649) 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, 13891 + ... + 22391.

It is an arithmetic number, because the mean of its divisors is an integer number (25710048).

Almost surely, 2^154216641 is an apocalyptic number.

It is an amenable number.

154216641 is a deficient number, since it is larger than the sum of its proper divisors (51463743).

154216641 is an equidigital number, since it uses as much as digits as its factorization.

154216641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14551.

The product of its digits is 5760, while the sum is 30.

The square root of 154216641 is about 12418.3992929846. The cubic root of 154216641 is about 536.2620694845.

The spelling of 154216641 in words is "one hundred fifty-four million, two hundred sixteen thousand, six hundred forty-one".