154148469 has 16 divisors (see below), whose sum is σ = 218836800. Its totient is φ = 96180480.

The previous prime is 154148453. The next prime is 154148473. The reversal of 154148469 is 964841451.

It is not a de Polignac number, because 154148469 - 2⁴ = 154148453 is a prime.

It is a super-2 number, since 2×154148469² = 47523500990087922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 154148469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154148569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882 + ... + 17580.

It is an arithmetic number, because the mean of its divisors is an integer number (13677300).

Almost surely, 2^154148469 is an apocalyptic number.

It is an amenable number.

154148469 is a deficient number, since it is larger than the sum of its proper divisors (64688331).

154148469 is a wasteful number, since it uses less digits than its factorization.

154148469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900.

The product of its digits is 138240, while the sum is 42.

The square root of 154148469 is about 12415.6541913827. The cubic root of 154148469 is about 536.1830390034.

The spelling of 154148469 in words is "one hundred fifty-four million, one hundred forty-eight thousand, four hundred sixty-nine".