154416145 has 16 divisors (see below), whose sum is σ = 200748240. Its totient is φ = 114022272.

The previous prime is 154416121. The next prime is 154416149. The reversal of 154416145 is 541614451.

It can be written as a sum of positive squares in 8 ways, for example, as 147185424 + 7230721 = 12132^2 + 2689^2 .

It is not a de Polignac number, because 154416145 - 2¹⁵ = 154383377 is a prime.

It is a super-2 number, since 2×154416145² = 47688691673322050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154416149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957 + ... + 18013.

It is an arithmetic number, because the mean of its divisors is an integer number (12546765).

Almost surely, 2^154416145 is an apocalyptic number.

It is an amenable number.

154416145 is a deficient number, since it is larger than the sum of its proper divisors (46332095).

154416145 is an equidigital number, since it uses as much as digits as its factorization.

154416145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101 (or 14075 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 154416145 is about 12426.4292940490. The cubic root of 154416145 is about 536.4932168835.

It can be divided in two parts, 1544 and 16145, that added together give a square (17689 = 133²).

The spelling of 154416145 in words is "one hundred fifty-four million, four hundred sixteen thousand, one hundred forty-five".