154216450 has 12 divisors (see below), whose sum is σ = 286842690. Its totient is φ = 61686560.

The previous prime is 154216427. The next prime is 154216493. The reversal of 154216450 is 54612451.

It can be written as a sum of positive squares in 3 ways, for example, as 137381841 + 16834609 = 11721^2 + 4103^2 .

It is a super-3 number, since 3×154216450³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1542115 + ... + 1542214.

Almost surely, 2^154216450 is an apocalyptic number.

154216450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154216450 is a deficient number, since it is larger than the sum of its proper divisors (132626240).

154216450 is a wasteful number, since it uses less digits than its factorization.

154216450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084341 (or 3084336 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 154216450 is about 12418.3916027801. The cubic root of 154216450 is about 536.2618480945.

The spelling of 154216450 in words is "one hundred fifty-four million, two hundred sixteen thousand, four hundred fifty".