154494469 has 8 divisors (see below), whose sum is σ = 156008160. Its totient is φ = 152986800.

The previous prime is 154494467. The next prime is 154494503. The reversal of 154494469 is 964494451.

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 154494469 - 2¹ = 154494467 is a prime.

It is a super-2 number, since 2×154494469² = 47737081903183922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154494467) 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, 62874 + ... + 65284.

It is an arithmetic number, because the mean of its divisors is an integer number (19501020).

Almost surely, 2^154494469 is an apocalyptic number.

It is an amenable number.

154494469 is a deficient number, since it is larger than the sum of its proper divisors (1513691).

154494469 is a wasteful number, since it uses less digits than its factorization.

154494469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its digits is 622080, while the sum is 46.

The square root of 154494469 is about 12429.5804032155. The cubic root of 154494469 is about 536.5839094556.

The spelling of 154494469 in words is "one hundred fifty-four million, four hundred ninety-four thousand, four hundred sixty-nine".